← Back to file list

📄 rand-write-qd4-nj1_run3.json

mirror/benchmarks/rand/rand-write-qd4-nj1_run3.json

{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842353,
  "timestamp_ms" : 1772842353359,
  "time" : "Fri Mar  6 20:12:33 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 180,
      "elapsed" : 10,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 1348841472,
        "io_kbytes" : 1317228,
        "bw_bytes" : 138144353,
        "bw" : 134906,
        "iops" : 33727.673085,
        "runtime" : 9764,
        "total_ios" : 329317,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 9764,
      "usr_cpu" : 5.612454,
      "sys_cpu" : 92.359689,
      "ctx" : 2641,
      "majf" : 0,
      "minf" : 7,
      "iodepth_level" : {
        "1" : 0.100000,
        "2" : 0.100000,
        "4" : 99.999089,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842363,
  "timestamp_ms" : 1772842363594,
  "time" : "Fri Mar  6 20:12:43 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 170,
      "elapsed" : 21,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 1364705280,
        "io_kbytes" : 1332720,
        "bw_bytes" : 136484176,
        "bw" : 133285,
        "iops" : 33321.432143,
        "runtime" : 9999,
        "total_ios" : 333181,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 9234,
          "max" : 89447,
          "mean" : 28302.610770,
          "stddev" : 5592.500925,
          "N" : 333181
        },
        "clat_ns" : {
          "min" : 41433,
          "max" : 216801,
          "mean" : 91228.419248,
          "stddev" : 11799.266558,
          "N" : 333180,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 113152,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 152576,
            "99.950000" : 158720,
            "99.990000" : 177152
          },
          "bins" : {
            "41216" : 1,
            "42752" : 1,
            "43776" : 1,
            "44800" : 1,
            "45312" : 2,
            "46336" : 4,
            "46848" : 1,
            "47360" : 3,
            "47872" : 5,
            "48896" : 1,
            "49408" : 6,
            "49920" : 1,
            "50432" : 9,
            "50944" : 3,
            "51456" : 7,
            "51968" : 8,
            "52480" : 5,
            "52992" : 9,
            "53504" : 12,
            "54016" : 8,
            "54528" : 19,
            "55040" : 24,
            "55552" : 31,
            "56064" : 39,
            "56576" : 42,
            "57088" : 51,
            "57600" : 68,
            "58112" : 98,
            "58624" : 113,
            "59136" : 107,
            "59648" : 101,
            "60160" : 108,
            "60672" : 111,
            "61184" : 148,
            "61696" : 136,
            "62208" : 133,
            "62720" : 150,
            "63232" : 155,
            "63744" : 148,
            "64256" : 168,
            "64768" : 178,
            "65280" : 178,
            "66048" : 450,
            "67072" : 663,
            "68096" : 922,
            "69120" : 1501,
            "70144" : 2251,
            "71168" : 2422,
            "72192" : 2673,
            "73216" : 3156,
            "74240" : 3368,
            "75264" : 3588,
            "76288" : 3912,
            "77312" : 4035,
            "78336" : 3942,
            "79360" : 4843,
            "80384" : 6690,
            "81408" : 8681,
            "82432" : 9874,
            "83456" : 10793,
            "84480" : 12129,
            "85504" : 12892,
            "86528" : 14042,
            "87552" : 15094,
            "88576" : 16498,
            "89600" : 17155,
            "90624" : 17256,
            "91648" : 16801,
            "92672" : 16228,
            "93696" : 14633,
            "94720" : 12954,
            "95744" : 11297,
            "96768" : 9830,
            "97792" : 8237,
            "98816" : 6947,
            "99840" : 5812,
            "100864" : 4954,
            "101888" : 4156,
            "102912" : 3598,
            "103936" : 3013,
            "104960" : 2715,
            "105984" : 2430,
            "107008" : 2174,
            "108032" : 2067,
            "109056" : 1950,
            "110080" : 1672,
            "111104" : 1600,
            "112128" : 1532,
            "113152" : 1317,
            "114176" : 1287,
            "115200" : 1223,
            "116224" : 1044,
            "117248" : 1002,
            "118272" : 920,
            "119296" : 872,
            "120320" : 884,
            "121344" : 800,
            "122368" : 746,
            "123392" : 654,
            "124416" : 590,
            "125440" : 542,
            "126464" : 504,
            "127488" : 471,
            "128512" : 382,
            "129536" : 388,
            "130560" : 379,
            "132096" : 621,
            "134144" : 580,
            "136192" : 419,
            "138240" : 363,
            "140288" : 319,
            "142336" : 243,
            "144384" : 165,
            "146432" : 129,
            "148480" : 104,
            "150528" : 65,
            "152576" : 56,
            "154624" : 42,
            "156672" : 44,
            "158720" : 42,
            "160768" : 20,
            "162816" : 25,
            "164864" : 18,
            "166912" : 13,
            "168960" : 9,
            "171008" : 15,
            "173056" : 15,
            "175104" : 7,
            "177152" : 7,
            "179200" : 3,
            "181248" : 6,
            "183296" : 2,
            "185344" : 2,
            "187392" : 7,
            "189440" : 1,
            "191488" : 1,
            "193536" : 3,
            "197632" : 2,
            "201728" : 1,
            "203776" : 1,
            "216064" : 1
          }
        },
        "lat_ns" : {
          "min" : 61004,
          "max" : 248198,
          "mean" : 119531.065184,
          "stddev" : 14499.266011,
          "N" : 333180
        },
        "bw_min" : 131696,
        "bw_max" : 135040,
        "bw_agg" : 99.959239,
        "bw_mean" : 133231.684211,
        "bw_dev" : 872.460127,
        "bw_samples" : 19,
        "iops_min" : 32924,
        "iops_max" : 33760,
        "iops_mean" : 33307.894737,
        "iops_stddev" : 218.127866,
        "iops_samples" : 19
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 9999,
      "usr_cpu" : 5.650565,
      "sys_cpu" : 93.999400,
      "ctx" : 6,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999700,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999700,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.010000,
        "100" : 84.629676,
        "250" : 15.361920,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842373,
  "timestamp_ms" : 1772842373594,
  "time" : "Fri Mar  6 20:12:53 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 160,
      "elapsed" : 31,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 2724282368,
        "io_kbytes" : 2660432,
        "bw_bytes" : 136220929,
        "bw" : 133028,
        "iops" : 33257.112856,
        "runtime" : 19999,
        "total_ios" : 665109,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 9234,
          "max" : 327629,
          "mean" : 28359.118184,
          "stddev" : 5729.239864,
          "N" : 665109
        },
        "clat_ns" : {
          "min" : 40492,
          "max" : 397136,
          "mean" : 91399.272252,
          "stddev" : 12049.394468,
          "N" : 665108,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 156672,
            "99.950000" : 166912,
            "99.990000" : 195584
          },
          "bins" : {
            "40704" : 2,
            "41216" : 1,
            "42752" : 3,
            "43776" : 1,
            "44288" : 2,
            "44800" : 3,
            "45312" : 2,
            "46336" : 7,
            "46848" : 3,
            "47360" : 5,
            "47872" : 6,
            "48384" : 4,
            "48896" : 4,
            "49408" : 9,
            "49920" : 7,
            "50432" : 13,
            "50944" : 12,
            "51456" : 16,
            "51968" : 17,
            "52480" : 12,
            "52992" : 15,
            "53504" : 19,
            "54016" : 19,
            "54528" : 33,
            "55040" : 49,
            "55552" : 57,
            "56064" : 79,
            "56576" : 84,
            "57088" : 111,
            "57600" : 133,
            "58112" : 188,
            "58624" : 231,
            "59136" : 233,
            "59648" : 200,
            "60160" : 208,
            "60672" : 210,
            "61184" : 275,
            "61696" : 273,
            "62208" : 259,
            "62720" : 297,
            "63232" : 313,
            "63744" : 298,
            "64256" : 325,
            "64768" : 337,
            "65280" : 357,
            "66048" : 899,
            "67072" : 1267,
            "68096" : 1779,
            "69120" : 2857,
            "70144" : 4402,
            "71168" : 4896,
            "72192" : 5330,
            "73216" : 6123,
            "74240" : 6741,
            "75264" : 7127,
            "76288" : 7671,
            "77312" : 7854,
            "78336" : 7854,
            "79360" : 9343,
            "80384" : 13008,
            "81408" : 17169,
            "82432" : 19851,
            "83456" : 21777,
            "84480" : 24473,
            "85504" : 26130,
            "86528" : 28072,
            "87552" : 29796,
            "88576" : 32388,
            "89600" : 33423,
            "90624" : 34120,
            "91648" : 33222,
            "92672" : 31976,
            "93696" : 29085,
            "94720" : 25927,
            "95744" : 22582,
            "96768" : 19676,
            "97792" : 16502,
            "98816" : 14027,
            "99840" : 11878,
            "100864" : 9983,
            "101888" : 8408,
            "102912" : 7216,
            "103936" : 6158,
            "104960" : 5592,
            "105984" : 5065,
            "107008" : 4490,
            "108032" : 4072,
            "109056" : 3949,
            "110080" : 3482,
            "111104" : 3238,
            "112128" : 3171,
            "113152" : 2843,
            "114176" : 2633,
            "115200" : 2533,
            "116224" : 2285,
            "117248" : 2132,
            "118272" : 1926,
            "119296" : 1823,
            "120320" : 1704,
            "121344" : 1617,
            "122368" : 1487,
            "123392" : 1318,
            "124416" : 1240,
            "125440" : 1100,
            "126464" : 1077,
            "127488" : 954,
            "128512" : 849,
            "129536" : 801,
            "130560" : 779,
            "132096" : 1310,
            "134144" : 1093,
            "136192" : 897,
            "138240" : 763,
            "140288" : 654,
            "142336" : 510,
            "144384" : 383,
            "146432" : 274,
            "148480" : 227,
            "150528" : 141,
            "152576" : 144,
            "154624" : 121,
            "156672" : 100,
            "158720" : 91,
            "160768" : 62,
            "162816" : 60,
            "164864" : 45,
            "166912" : 34,
            "168960" : 40,
            "171008" : 32,
            "173056" : 30,
            "175104" : 25,
            "177152" : 27,
            "179200" : 16,
            "181248" : 14,
            "183296" : 8,
            "185344" : 9,
            "187392" : 13,
            "189440" : 14,
            "191488" : 5,
            "193536" : 11,
            "195584" : 10,
            "197632" : 11,
            "199680" : 2,
            "201728" : 6,
            "203776" : 5,
            "205824" : 3,
            "209920" : 3,
            "211968" : 4,
            "214016" : 4,
            "216064" : 1,
            "220160" : 2,
            "222208" : 1,
            "224256" : 1,
            "228352" : 1,
            "232448" : 1,
            "236544" : 1,
            "238592" : 1,
            "240640" : 5,
            "244736" : 2,
            "250880" : 1,
            "252928" : 2,
            "264192" : 2,
            "276480" : 1,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 61004,
          "max" : 425169,
          "mean" : 119758.396212,
          "stddev" : 14802.678663,
          "N" : 665108
        },
        "bw_min" : 130112,
        "bw_max" : 135200,
        "bw_agg" : 100.000000,
        "bw_mean" : 133058.076923,
        "bw_dev" : 1216.279387,
        "bw_samples" : 39,
        "iops_min" : 32528,
        "iops_max" : 33800,
        "iops_mean" : 33264.487179,
        "iops_stddev" : 304.092253,
        "iops_samples" : 39
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 19999,
      "usr_cpu" : 5.450273,
      "sys_cpu" : 94.149707,
      "ctx" : 191,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999850,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999850,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.010000,
        "100" : 84.184096,
        "250" : 15.805830,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842383,
  "timestamp_ms" : 1772842383595,
  "time" : "Fri Mar  6 20:13:03 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 150,
      "elapsed" : 41,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 4081565696,
        "io_kbytes" : 3985904,
        "bw_bytes" : 136052189,
        "bw" : 132863,
        "iops" : 33215.900000,
        "runtime" : 30000,
        "total_ios" : 996477,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 9174,
          "max" : 327629,
          "mean" : 28394.352940,
          "stddev" : 5786.041167,
          "N" : 996477
        },
        "clat_ns" : {
          "min" : 40282,
          "max" : 397136,
          "mean" : 91507.016625,
          "stddev" : 12189.507434,
          "N" : 996476,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 158720,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "40192" : 1,
            "40704" : 2,
            "41216" : 3,
            "42240" : 1,
            "42752" : 3,
            "43264" : 2,
            "43776" : 1,
            "44288" : 5,
            "44800" : 5,
            "45312" : 3,
            "45824" : 1,
            "46336" : 13,
            "46848" : 6,
            "47360" : 10,
            "47872" : 12,
            "48384" : 9,
            "48896" : 9,
            "49408" : 16,
            "49920" : 9,
            "50432" : 17,
            "50944" : 15,
            "51456" : 19,
            "51968" : 26,
            "52480" : 21,
            "52992" : 22,
            "53504" : 24,
            "54016" : 29,
            "54528" : 45,
            "55040" : 74,
            "55552" : 92,
            "56064" : 105,
            "56576" : 127,
            "57088" : 170,
            "57600" : 213,
            "58112" : 277,
            "58624" : 347,
            "59136" : 352,
            "59648" : 323,
            "60160" : 315,
            "60672" : 341,
            "61184" : 413,
            "61696" : 423,
            "62208" : 423,
            "62720" : 471,
            "63232" : 452,
            "63744" : 458,
            "64256" : 442,
            "64768" : 505,
            "65280" : 522,
            "66048" : 1321,
            "67072" : 1839,
            "68096" : 2589,
            "69120" : 4340,
            "70144" : 6558,
            "71168" : 7426,
            "72192" : 8117,
            "73216" : 9210,
            "74240" : 10061,
            "75264" : 10550,
            "76288" : 11317,
            "77312" : 11538,
            "78336" : 11633,
            "79360" : 13689,
            "80384" : 19234,
            "81408" : 25459,
            "82432" : 29782,
            "83456" : 32951,
            "84480" : 36887,
            "85504" : 39543,
            "86528" : 42097,
            "87552" : 44296,
            "88576" : 47819,
            "89600" : 49468,
            "90624" : 50431,
            "91648" : 49321,
            "92672" : 47469,
            "93696" : 43351,
            "94720" : 38779,
            "95744" : 33835,
            "96768" : 29352,
            "97792" : 24802,
            "98816" : 21041,
            "99840" : 17939,
            "100864" : 15063,
            "101888" : 12755,
            "102912" : 11159,
            "103936" : 9450,
            "104960" : 8540,
            "105984" : 7803,
            "107008" : 6967,
            "108032" : 6282,
            "109056" : 5970,
            "110080" : 5345,
            "111104" : 4992,
            "112128" : 4796,
            "113152" : 4388,
            "114176" : 3996,
            "115200" : 3849,
            "116224" : 3516,
            "117248" : 3263,
            "118272" : 2978,
            "119296" : 2795,
            "120320" : 2626,
            "121344" : 2439,
            "122368" : 2282,
            "123392" : 2079,
            "124416" : 1919,
            "125440" : 1730,
            "126464" : 1676,
            "127488" : 1495,
            "128512" : 1314,
            "129536" : 1233,
            "130560" : 1186,
            "132096" : 2044,
            "134144" : 1725,
            "136192" : 1381,
            "138240" : 1205,
            "140288" : 994,
            "142336" : 765,
            "144384" : 593,
            "146432" : 439,
            "148480" : 357,
            "150528" : 239,
            "152576" : 221,
            "154624" : 191,
            "156672" : 157,
            "158720" : 140,
            "160768" : 95,
            "162816" : 94,
            "164864" : 81,
            "166912" : 78,
            "168960" : 65,
            "171008" : 54,
            "173056" : 54,
            "175104" : 38,
            "177152" : 45,
            "179200" : 30,
            "181248" : 29,
            "183296" : 22,
            "185344" : 19,
            "187392" : 23,
            "189440" : 28,
            "191488" : 7,
            "193536" : 19,
            "195584" : 16,
            "197632" : 19,
            "199680" : 10,
            "201728" : 10,
            "203776" : 11,
            "205824" : 8,
            "207872" : 5,
            "209920" : 7,
            "211968" : 5,
            "214016" : 6,
            "216064" : 3,
            "218112" : 4,
            "220160" : 3,
            "222208" : 3,
            "224256" : 1,
            "226304" : 1,
            "228352" : 1,
            "230400" : 1,
            "232448" : 3,
            "236544" : 1,
            "238592" : 1,
            "240640" : 5,
            "244736" : 2,
            "248832" : 1,
            "250880" : 1,
            "252928" : 2,
            "254976" : 2,
            "264192" : 2,
            "268288" : 1,
            "276480" : 1,
            "280576" : 1,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 58329,
          "max" : 425169,
          "mean" : 119901.360196,
          "stddev" : 14980.745705,
          "N" : 996476
        },
        "bw_min" : 129624,
        "bw_max" : 135200,
        "bw_agg" : 100.000000,
        "bw_mean" : 132873.406780,
        "bw_dev" : 1272.902238,
        "bw_samples" : 59,
        "iops_min" : 32406,
        "iops_max" : 33800,
        "iops_mean" : 33218.355932,
        "iops_stddev" : 318.268362,
        "iops_samples" : 59
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 30000,
      "usr_cpu" : 5.360000,
      "sys_cpu" : 94.226667,
      "ctx" : 349,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999900,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999900,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.010939,
        "100" : 83.814779,
        "250" : 16.172877,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842393,
  "timestamp_ms" : 1772842393594,
  "time" : "Fri Mar  6 20:13:13 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 140,
      "elapsed" : 51,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 5450862592,
        "io_kbytes" : 5323108,
        "bw_bytes" : 136274971,
        "bw" : 133081,
        "iops" : 33270.281757,
        "runtime" : 39999,
        "total_ios" : 1330778,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 9084,
          "max" : 327629,
          "mean" : 28345.865224,
          "stddev" : 5762.917980,
          "N" : 1330778
        },
        "clat_ns" : {
          "min" : 40282,
          "max" : 397136,
          "mean" : 91359.980168,
          "stddev" : 12133.325524,
          "N" : 1330777,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 158720,
            "99.950000" : 168960,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 2,
            "40704" : 2,
            "41216" : 4,
            "42240" : 1,
            "42752" : 3,
            "43264" : 4,
            "43776" : 4,
            "44288" : 5,
            "44800" : 8,
            "45312" : 4,
            "45824" : 6,
            "46336" : 13,
            "46848" : 10,
            "47360" : 11,
            "47872" : 19,
            "48384" : 12,
            "48896" : 12,
            "49408" : 20,
            "49920" : 11,
            "50432" : 24,
            "50944" : 19,
            "51456" : 28,
            "51968" : 35,
            "52480" : 27,
            "52992" : 32,
            "53504" : 31,
            "54016" : 39,
            "54528" : 66,
            "55040" : 103,
            "55552" : 130,
            "56064" : 134,
            "56576" : 168,
            "57088" : 221,
            "57600" : 287,
            "58112" : 380,
            "58624" : 460,
            "59136" : 475,
            "59648" : 438,
            "60160" : 429,
            "60672" : 462,
            "61184" : 536,
            "61696" : 564,
            "62208" : 573,
            "62720" : 637,
            "63232" : 592,
            "63744" : 622,
            "64256" : 598,
            "64768" : 661,
            "65280" : 730,
            "66048" : 1834,
            "67072" : 2488,
            "68096" : 3550,
            "69120" : 6078,
            "70144" : 8988,
            "71168" : 10031,
            "72192" : 10972,
            "73216" : 12429,
            "74240" : 13589,
            "75264" : 14367,
            "76288" : 15278,
            "77312" : 15484,
            "78336" : 15721,
            "79360" : 18704,
            "80384" : 26233,
            "81408" : 34836,
            "82432" : 40154,
            "83456" : 44436,
            "84480" : 49487,
            "85504" : 52885,
            "86528" : 56482,
            "87552" : 59686,
            "88576" : 64728,
            "89600" : 66896,
            "90624" : 67739,
            "91648" : 66268,
            "92672" : 63370,
            "93696" : 57625,
            "94720" : 51331,
            "95744" : 44577,
            "96768" : 38765,
            "97792" : 32757,
            "98816" : 27672,
            "99840" : 23522,
            "100864" : 19692,
            "101888" : 16650,
            "102912" : 14555,
            "103936" : 12378,
            "104960" : 11146,
            "105984" : 10148,
            "107008" : 8950,
            "108032" : 8113,
            "109056" : 7755,
            "110080" : 6988,
            "111104" : 6528,
            "112128" : 6220,
            "113152" : 5689,
            "114176" : 5192,
            "115200" : 4974,
            "116224" : 4534,
            "117248" : 4225,
            "118272" : 3861,
            "119296" : 3658,
            "120320" : 3413,
            "121344" : 3136,
            "122368" : 2963,
            "123392" : 2668,
            "124416" : 2512,
            "125440" : 2260,
            "126464" : 2203,
            "127488" : 1949,
            "128512" : 1733,
            "129536" : 1605,
            "130560" : 1524,
            "132096" : 2666,
            "134144" : 2278,
            "136192" : 1837,
            "138240" : 1574,
            "140288" : 1267,
            "142336" : 1005,
            "144384" : 773,
            "146432" : 556,
            "148480" : 450,
            "150528" : 339,
            "152576" : 294,
            "154624" : 254,
            "156672" : 212,
            "158720" : 185,
            "160768" : 134,
            "162816" : 128,
            "164864" : 118,
            "166912" : 113,
            "168960" : 96,
            "171008" : 76,
            "173056" : 77,
            "175104" : 53,
            "177152" : 50,
            "179200" : 39,
            "181248" : 38,
            "183296" : 26,
            "185344" : 30,
            "187392" : 27,
            "189440" : 33,
            "191488" : 19,
            "193536" : 24,
            "195584" : 17,
            "197632" : 29,
            "199680" : 15,
            "201728" : 12,
            "203776" : 11,
            "205824" : 11,
            "207872" : 7,
            "209920" : 8,
            "211968" : 7,
            "214016" : 9,
            "216064" : 3,
            "218112" : 5,
            "220160" : 3,
            "222208" : 3,
            "224256" : 2,
            "226304" : 1,
            "228352" : 1,
            "230400" : 1,
            "232448" : 3,
            "236544" : 1,
            "238592" : 1,
            "240640" : 5,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 1,
            "252928" : 2,
            "254976" : 2,
            "264192" : 2,
            "268288" : 1,
            "276480" : 1,
            "280576" : 1,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 58329,
          "max" : 425169,
          "mean" : 119705.838815,
          "stddev" : 14912.514764,
          "N" : 1330777
        },
        "bw_min" : 129624,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 133094.721519,
        "bw_dev" : 1279.511705,
        "bw_samples" : 79,
        "iops_min" : 32406,
        "iops_max" : 33870,
        "iops_mean" : 33273.670886,
        "iops_stddev" : 319.905744,
        "iops_samples" : 79
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 39999,
      "usr_cpu" : 5.355134,
      "sys_cpu" : 94.229856,
      "ctx" : 497,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999775,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999775,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011196,
        "100" : 84.216676,
        "250" : 15.771075,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842403,
  "timestamp_ms" : 1772842403594,
  "time" : "Fri Mar  6 20:13:23 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 130,
      "elapsed" : 61,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 6808383488,
        "io_kbytes" : 6648812,
        "bw_bytes" : 136170393,
        "bw" : 132978,
        "iops" : 33244.744895,
        "runtime" : 49999,
        "total_ios" : 1662204,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8994,
          "max" : 327629,
          "mean" : 28366.965212,
          "stddev" : 5769.462438,
          "N" : 1662204
        },
        "clat_ns" : {
          "min" : 40282,
          "max" : 397136,
          "mean" : 91429.974972,
          "stddev" : 12165.034862,
          "N" : 1662203,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 158720,
            "99.950000" : 168960,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 2,
            "40704" : 2,
            "41216" : 4,
            "42240" : 2,
            "42752" : 3,
            "43264" : 4,
            "43776" : 8,
            "44288" : 8,
            "44800" : 9,
            "45312" : 7,
            "45824" : 8,
            "46336" : 14,
            "46848" : 15,
            "47360" : 15,
            "47872" : 24,
            "48384" : 15,
            "48896" : 12,
            "49408" : 23,
            "49920" : 14,
            "50432" : 25,
            "50944" : 24,
            "51456" : 34,
            "51968" : 40,
            "52480" : 34,
            "52992" : 37,
            "53504" : 34,
            "54016" : 55,
            "54528" : 85,
            "55040" : 128,
            "55552" : 165,
            "56064" : 181,
            "56576" : 208,
            "57088" : 289,
            "57600" : 360,
            "58112" : 467,
            "58624" : 576,
            "59136" : 611,
            "59648" : 549,
            "60160" : 548,
            "60672" : 565,
            "61184" : 647,
            "61696" : 696,
            "62208" : 681,
            "62720" : 767,
            "63232" : 711,
            "63744" : 762,
            "64256" : 738,
            "64768" : 843,
            "65280" : 939,
            "66048" : 2249,
            "67072" : 3112,
            "68096" : 4440,
            "69120" : 7537,
            "70144" : 11387,
            "71168" : 12751,
            "72192" : 13676,
            "73216" : 15303,
            "74240" : 16736,
            "75264" : 17602,
            "76288" : 18614,
            "77312" : 18946,
            "78336" : 19456,
            "79360" : 23024,
            "80384" : 32706,
            "81408" : 44278,
            "82432" : 51429,
            "83456" : 56577,
            "84480" : 62477,
            "85504" : 66051,
            "86528" : 69726,
            "87552" : 73057,
            "88576" : 78964,
            "89600" : 81514,
            "90624" : 82921,
            "91648" : 81609,
            "92672" : 78531,
            "93696" : 71627,
            "94720" : 64283,
            "95744" : 56486,
            "96768" : 49315,
            "97792" : 41632,
            "98816" : 35350,
            "99840" : 29999,
            "100864" : 25250,
            "101888" : 21356,
            "102912" : 18528,
            "103936" : 15654,
            "104960" : 14156,
            "105984" : 12762,
            "107008" : 11353,
            "108032" : 10359,
            "109056" : 9800,
            "110080" : 8863,
            "111104" : 8303,
            "112128" : 7839,
            "113152" : 7291,
            "114176" : 6618,
            "115200" : 6286,
            "116224" : 5797,
            "117248" : 5350,
            "118272" : 4961,
            "119296" : 4640,
            "120320" : 4328,
            "121344" : 3958,
            "122368" : 3751,
            "123392" : 3402,
            "124416" : 3181,
            "125440" : 2836,
            "126464" : 2746,
            "127488" : 2500,
            "128512" : 2180,
            "129536" : 2098,
            "130560" : 1945,
            "132096" : 3384,
            "134144" : 2901,
            "136192" : 2334,
            "138240" : 1994,
            "140288" : 1576,
            "142336" : 1265,
            "144384" : 981,
            "146432" : 681,
            "148480" : 536,
            "150528" : 422,
            "152576" : 360,
            "154624" : 319,
            "156672" : 256,
            "158720" : 224,
            "160768" : 164,
            "162816" : 168,
            "164864" : 138,
            "166912" : 131,
            "168960" : 114,
            "171008" : 105,
            "173056" : 88,
            "175104" : 65,
            "177152" : 69,
            "179200" : 48,
            "181248" : 48,
            "183296" : 36,
            "185344" : 37,
            "187392" : 34,
            "189440" : 35,
            "191488" : 22,
            "193536" : 24,
            "195584" : 18,
            "197632" : 31,
            "199680" : 16,
            "201728" : 13,
            "203776" : 12,
            "205824" : 13,
            "207872" : 9,
            "209920" : 9,
            "211968" : 9,
            "214016" : 10,
            "216064" : 5,
            "218112" : 5,
            "220160" : 4,
            "222208" : 3,
            "224256" : 4,
            "226304" : 1,
            "228352" : 2,
            "230400" : 1,
            "232448" : 3,
            "234496" : 1,
            "236544" : 2,
            "238592" : 1,
            "240640" : 6,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 1,
            "252928" : 2,
            "254976" : 4,
            "264192" : 4,
            "268288" : 1,
            "276480" : 2,
            "280576" : 1,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 58329,
          "max" : 425169,
          "mean" : 119796.939560,
          "stddev" : 14958.128425,
          "N" : 1662203
        },
        "bw_min" : 129624,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 133008.121212,
        "bw_dev" : 1241.587794,
        "bw_samples" : 99,
        "iops_min" : 32406,
        "iops_max" : 33870,
        "iops_mean" : 33252.010101,
        "iops_stddev" : 310.421849,
        "iops_samples" : 99
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 49999,
      "usr_cpu" : 5.354107,
      "sys_cpu" : 94.233885,
      "ctx" : 624,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999940,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999940,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011190,
        "100" : 83.944811,
        "250" : 16.042856,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842413,
  "timestamp_ms" : 1772842413594,
  "time" : "Fri Mar  6 20:13:33 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 120,
      "elapsed" : 71,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 8169439232,
        "io_kbytes" : 7977968,
        "bw_bytes" : 136159589,
        "bw" : 132968,
        "iops" : 33242.104035,
        "runtime" : 59999,
        "total_ios" : 1994493,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8994,
          "max" : 327629,
          "mean" : 28367.577277,
          "stddev" : 5768.700416,
          "N" : 1994493
        },
        "clat_ns" : {
          "min" : 40282,
          "max" : 397136,
          "mean" : 91437.260162,
          "stddev" : 12197.612402,
          "N" : 1994492,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 158720,
            "99.950000" : 168960,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 2,
            "40704" : 2,
            "41216" : 7,
            "42240" : 3,
            "42752" : 4,
            "43264" : 5,
            "43776" : 9,
            "44288" : 13,
            "44800" : 15,
            "45312" : 9,
            "45824" : 10,
            "46336" : 17,
            "46848" : 17,
            "47360" : 18,
            "47872" : 24,
            "48384" : 19,
            "48896" : 14,
            "49408" : 29,
            "49920" : 16,
            "50432" : 28,
            "50944" : 31,
            "51456" : 37,
            "51968" : 47,
            "52480" : 41,
            "52992" : 45,
            "53504" : 45,
            "54016" : 65,
            "54528" : 107,
            "55040" : 158,
            "55552" : 207,
            "56064" : 229,
            "56576" : 267,
            "57088" : 341,
            "57600" : 439,
            "58112" : 578,
            "58624" : 683,
            "59136" : 729,
            "59648" : 673,
            "60160" : 646,
            "60672" : 681,
            "61184" : 776,
            "61696" : 826,
            "62208" : 812,
            "62720" : 864,
            "63232" : 834,
            "63744" : 916,
            "64256" : 883,
            "64768" : 1001,
            "65280" : 1124,
            "66048" : 2697,
            "67072" : 3782,
            "68096" : 5428,
            "69120" : 9318,
            "70144" : 13889,
            "71168" : 15520,
            "72192" : 16466,
            "73216" : 18267,
            "74240" : 19867,
            "75264" : 20824,
            "76288" : 22101,
            "77312" : 22467,
            "78336" : 23052,
            "79360" : 27823,
            "80384" : 39959,
            "81408" : 54273,
            "82432" : 62894,
            "83456" : 68796,
            "84480" : 75714,
            "85504" : 79373,
            "86528" : 82968,
            "87552" : 86552,
            "88576" : 93400,
            "89600" : 96423,
            "90624" : 98168,
            "91648" : 96821,
            "92672" : 93751,
            "93696" : 85917,
            "94720" : 77237,
            "95744" : 67969,
            "96768" : 59221,
            "97792" : 50284,
            "98816" : 42720,
            "99840" : 36279,
            "100864" : 30350,
            "101888" : 25887,
            "102912" : 22221,
            "103936" : 18954,
            "104960" : 17174,
            "105984" : 15413,
            "107008" : 13647,
            "108032" : 12523,
            "109056" : 11745,
            "110080" : 10689,
            "111104" : 10107,
            "112128" : 9438,
            "113152" : 8738,
            "114176" : 8036,
            "115200" : 7603,
            "116224" : 6975,
            "117248" : 6511,
            "118272" : 5995,
            "119296" : 5638,
            "120320" : 5238,
            "121344" : 4788,
            "122368" : 4518,
            "123392" : 4079,
            "124416" : 3817,
            "125440" : 3455,
            "126464" : 3299,
            "127488" : 3009,
            "128512" : 2654,
            "129536" : 2511,
            "130560" : 2323,
            "132096" : 4071,
            "134144" : 3513,
            "136192" : 2857,
            "138240" : 2385,
            "140288" : 1887,
            "142336" : 1502,
            "144384" : 1151,
            "146432" : 816,
            "148480" : 629,
            "150528" : 530,
            "152576" : 426,
            "154624" : 397,
            "156672" : 304,
            "158720" : 262,
            "160768" : 214,
            "162816" : 202,
            "164864" : 173,
            "166912" : 157,
            "168960" : 127,
            "171008" : 123,
            "173056" : 110,
            "175104" : 79,
            "177152" : 85,
            "179200" : 63,
            "181248" : 58,
            "183296" : 43,
            "185344" : 50,
            "187392" : 42,
            "189440" : 43,
            "191488" : 29,
            "193536" : 27,
            "195584" : 19,
            "197632" : 31,
            "199680" : 19,
            "201728" : 15,
            "203776" : 12,
            "205824" : 14,
            "207872" : 11,
            "209920" : 13,
            "211968" : 9,
            "214016" : 14,
            "216064" : 6,
            "218112" : 6,
            "220160" : 5,
            "222208" : 4,
            "224256" : 5,
            "226304" : 2,
            "228352" : 2,
            "230400" : 1,
            "232448" : 3,
            "234496" : 3,
            "236544" : 2,
            "238592" : 1,
            "240640" : 7,
            "242688" : 1,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 1,
            "252928" : 3,
            "254976" : 4,
            "257024" : 1,
            "264192" : 5,
            "268288" : 1,
            "272384" : 1,
            "276480" : 3,
            "280576" : 2,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119804.834769,
          "stddev" : 15010.875648,
          "N" : 1994492
        },
        "bw_min" : 129624,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132991.630252,
        "bw_dev" : 1193.882783,
        "bw_samples" : 119,
        "iops_min" : 32406,
        "iops_max" : 33870,
        "iops_mean" : 33247.882353,
        "iops_stddev" : 298.497656,
        "iops_samples" : 119
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 59999,
      "usr_cpu" : 5.413424,
      "sys_cpu" : 94.176570,
      "ctx" : 718,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999950,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999950,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011482,
        "100" : 83.852588,
        "250" : 16.134526,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842423,
  "timestamp_ms" : 1772842423594,
  "time" : "Fri Mar  6 20:13:43 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 110,
      "elapsed" : 81,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 9531625472,
        "io_kbytes" : 9308228,
        "bw_bytes" : 136168023,
        "bw" : 132976,
        "iops" : 33244.160631,
        "runtime" : 69999,
        "total_ios" : 2327058,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8994,
          "max" : 327629,
          "mean" : 28365.295089,
          "stddev" : 5774.760412,
          "N" : 2327058
        },
        "clat_ns" : {
          "min" : 40152,
          "max" : 397136,
          "mean" : 91432.149462,
          "stddev" : 12231.411604,
          "N" : 2327057,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 158720,
            "99.950000" : 171008,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 3,
            "40704" : 2,
            "41216" : 8,
            "41728" : 1,
            "42240" : 3,
            "42752" : 4,
            "43264" : 6,
            "43776" : 9,
            "44288" : 15,
            "44800" : 17,
            "45312" : 11,
            "45824" : 13,
            "46336" : 24,
            "46848" : 23,
            "47360" : 22,
            "47872" : 27,
            "48384" : 24,
            "48896" : 19,
            "49408" : 34,
            "49920" : 20,
            "50432" : 35,
            "50944" : 38,
            "51456" : 43,
            "51968" : 51,
            "52480" : 46,
            "52992" : 54,
            "53504" : 56,
            "54016" : 75,
            "54528" : 121,
            "55040" : 187,
            "55552" : 241,
            "56064" : 268,
            "56576" : 328,
            "57088" : 396,
            "57600" : 514,
            "58112" : 664,
            "58624" : 790,
            "59136" : 878,
            "59648" : 776,
            "60160" : 758,
            "60672" : 798,
            "61184" : 903,
            "61696" : 955,
            "62208" : 962,
            "62720" : 998,
            "63232" : 963,
            "63744" : 1064,
            "64256" : 1024,
            "64768" : 1144,
            "65280" : 1325,
            "66048" : 3204,
            "67072" : 4450,
            "68096" : 6458,
            "69120" : 11185,
            "70144" : 16471,
            "71168" : 18188,
            "72192" : 19305,
            "73216" : 21225,
            "74240" : 23098,
            "75264" : 23990,
            "76288" : 25467,
            "77312" : 26083,
            "78336" : 26765,
            "79360" : 32830,
            "80384" : 47525,
            "81408" : 64744,
            "82432" : 74594,
            "83456" : 80977,
            "84480" : 89211,
            "85504" : 92929,
            "86528" : 96433,
            "87552" : 100237,
            "88576" : 108120,
            "89600" : 111319,
            "90624" : 113417,
            "91648" : 112055,
            "92672" : 108581,
            "93696" : 99606,
            "94720" : 89564,
            "95744" : 78907,
            "96768" : 69043,
            "97792" : 58613,
            "98816" : 49834,
            "99840" : 42366,
            "100864" : 35512,
            "101888" : 30341,
            "102912" : 26020,
            "103936" : 22245,
            "104960" : 20115,
            "105984" : 18071,
            "107008" : 16014,
            "108032" : 14680,
            "109056" : 13829,
            "110080" : 12496,
            "111104" : 11887,
            "112128" : 11056,
            "113152" : 10301,
            "114176" : 9455,
            "115200" : 8880,
            "116224" : 8204,
            "117248" : 7692,
            "118272" : 7060,
            "119296" : 6580,
            "120320" : 6116,
            "121344" : 5621,
            "122368" : 5317,
            "123392" : 4774,
            "124416" : 4461,
            "125440" : 4049,
            "126464" : 3909,
            "127488" : 3542,
            "128512" : 3116,
            "129536" : 2970,
            "130560" : 2741,
            "132096" : 4780,
            "134144" : 4082,
            "136192" : 3372,
            "138240" : 2760,
            "140288" : 2205,
            "142336" : 1785,
            "144384" : 1324,
            "146432" : 972,
            "148480" : 737,
            "150528" : 612,
            "152576" : 508,
            "154624" : 470,
            "156672" : 348,
            "158720" : 305,
            "160768" : 264,
            "162816" : 234,
            "164864" : 202,
            "166912" : 184,
            "168960" : 156,
            "171008" : 140,
            "173056" : 130,
            "175104" : 98,
            "177152" : 100,
            "179200" : 73,
            "181248" : 64,
            "183296" : 50,
            "185344" : 59,
            "187392" : 49,
            "189440" : 49,
            "191488" : 38,
            "193536" : 34,
            "195584" : 25,
            "197632" : 36,
            "199680" : 25,
            "201728" : 22,
            "203776" : 12,
            "205824" : 17,
            "207872" : 13,
            "209920" : 16,
            "211968" : 12,
            "214016" : 15,
            "216064" : 10,
            "218112" : 6,
            "220160" : 6,
            "222208" : 4,
            "224256" : 7,
            "226304" : 3,
            "228352" : 2,
            "230400" : 1,
            "232448" : 3,
            "234496" : 4,
            "236544" : 2,
            "238592" : 1,
            "240640" : 7,
            "242688" : 2,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 2,
            "252928" : 3,
            "254976" : 5,
            "257024" : 1,
            "259072" : 1,
            "264192" : 5,
            "268288" : 1,
            "272384" : 1,
            "276480" : 3,
            "280576" : 2,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119797.435437,
          "stddev" : 15060.584474,
          "N" : 2327057
        },
        "bw_min" : 129624,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132998.330935,
        "bw_dev" : 1155.630786,
        "bw_samples" : 139,
        "iops_min" : 32406,
        "iops_max" : 33870,
        "iops_mean" : 33249.553957,
        "iops_stddev" : 288.927682,
        "iops_samples" : 139
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 69999,
      "usr_cpu" : 5.477221,
      "sys_cpu" : 94.114202,
      "ctx" : 843,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999957,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999957,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011989,
        "100" : 83.769893,
        "250" : 16.216785,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842433,
  "timestamp_ms" : 1772842433594,
  "time" : "Fri Mar  6 20:13:53 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 100,
      "elapsed" : 91,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 10887409664,
        "io_kbytes" : 10632236,
        "bw_bytes" : 136094321,
        "bw" : 132904,
        "iops" : 33226.165327,
        "runtime" : 79999,
        "total_ios" : 2658060,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8994,
          "max" : 327629,
          "mean" : 28380.685801,
          "stddev" : 5782.990201,
          "N" : 2658060
        },
        "clat_ns" : {
          "min" : 40152,
          "max" : 397136,
          "mean" : 91481.275166,
          "stddev" : 12245.808983,
          "N" : 2658059,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 97792,
            "90.000000" : 104960,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 138240,
            "99.900000" : 158720,
            "99.950000" : 171008,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 4,
            "40704" : 2,
            "41216" : 8,
            "41728" : 1,
            "42240" : 3,
            "42752" : 4,
            "43264" : 7,
            "43776" : 10,
            "44288" : 15,
            "44800" : 21,
            "45312" : 11,
            "45824" : 14,
            "46336" : 29,
            "46848" : 30,
            "47360" : 28,
            "47872" : 28,
            "48384" : 26,
            "48896" : 22,
            "49408" : 39,
            "49920" : 25,
            "50432" : 39,
            "50944" : 42,
            "51456" : 48,
            "51968" : 60,
            "52480" : 54,
            "52992" : 68,
            "53504" : 64,
            "54016" : 83,
            "54528" : 140,
            "55040" : 215,
            "55552" : 267,
            "56064" : 309,
            "56576" : 366,
            "57088" : 445,
            "57600" : 577,
            "58112" : 757,
            "58624" : 912,
            "59136" : 998,
            "59648" : 879,
            "60160" : 880,
            "60672" : 898,
            "61184" : 1001,
            "61696" : 1064,
            "62208" : 1079,
            "62720" : 1121,
            "63232" : 1084,
            "63744" : 1196,
            "64256" : 1185,
            "64768" : 1305,
            "65280" : 1493,
            "66048" : 3693,
            "67072" : 5089,
            "68096" : 7374,
            "69120" : 12760,
            "70144" : 18928,
            "71168" : 20715,
            "72192" : 21988,
            "73216" : 24037,
            "74240" : 26035,
            "75264" : 27045,
            "76288" : 28695,
            "77312" : 29503,
            "78336" : 30383,
            "79360" : 37296,
            "80384" : 54273,
            "81408" : 74442,
            "82432" : 85968,
            "83456" : 93034,
            "84480" : 102106,
            "85504" : 105854,
            "86528" : 109090,
            "87552" : 113058,
            "88576" : 121895,
            "89600" : 125755,
            "90624" : 128703,
            "91648" : 127286,
            "92672" : 123710,
            "93696" : 113885,
            "94720" : 102604,
            "95744" : 90622,
            "96768" : 79525,
            "97792" : 67467,
            "98816" : 57491,
            "99840" : 48925,
            "100864" : 41311,
            "101888" : 35099,
            "102912" : 30114,
            "103936" : 25938,
            "104960" : 23335,
            "105984" : 20812,
            "107008" : 18528,
            "108032" : 16976,
            "109056" : 15990,
            "110080" : 14462,
            "111104" : 13759,
            "112128" : 12777,
            "113152" : 11840,
            "114176" : 10886,
            "115200" : 10195,
            "116224" : 9506,
            "117248" : 8838,
            "118272" : 8104,
            "119296" : 7544,
            "120320" : 7039,
            "121344" : 6444,
            "122368" : 6140,
            "123392" : 5515,
            "124416" : 5122,
            "125440" : 4663,
            "126464" : 4470,
            "127488" : 4101,
            "128512" : 3588,
            "129536" : 3360,
            "130560" : 3139,
            "132096" : 5450,
            "134144" : 4701,
            "136192" : 3861,
            "138240" : 3142,
            "140288" : 2518,
            "142336" : 2032,
            "144384" : 1490,
            "146432" : 1145,
            "148480" : 852,
            "150528" : 704,
            "152576" : 580,
            "154624" : 526,
            "156672" : 396,
            "158720" : 340,
            "160768" : 305,
            "162816" : 270,
            "164864" : 239,
            "166912" : 211,
            "168960" : 177,
            "171008" : 158,
            "173056" : 139,
            "175104" : 116,
            "177152" : 118,
            "179200" : 87,
            "181248" : 68,
            "183296" : 63,
            "185344" : 73,
            "187392" : 59,
            "189440" : 53,
            "191488" : 40,
            "193536" : 38,
            "195584" : 30,
            "197632" : 41,
            "199680" : 27,
            "201728" : 26,
            "203776" : 15,
            "205824" : 19,
            "207872" : 15,
            "209920" : 18,
            "211968" : 12,
            "214016" : 17,
            "216064" : 10,
            "218112" : 8,
            "220160" : 7,
            "222208" : 5,
            "224256" : 9,
            "226304" : 3,
            "228352" : 3,
            "230400" : 3,
            "232448" : 3,
            "234496" : 5,
            "236544" : 2,
            "238592" : 1,
            "240640" : 8,
            "242688" : 2,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 2,
            "252928" : 3,
            "254976" : 5,
            "257024" : 1,
            "259072" : 1,
            "264192" : 5,
            "268288" : 1,
            "272384" : 1,
            "276480" : 3,
            "280576" : 2,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119861.962638,
          "stddev" : 15078.641275,
          "N" : 2658059
        },
        "bw_min" : 129624,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132937.786164,
        "bw_dev" : 1147.951518,
        "bw_samples" : 159,
        "iops_min" : 32406,
        "iops_max" : 33870,
        "iops_mean" : 33234.415094,
        "iops_stddev" : 287.001197,
        "iops_samples" : 159
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 79999,
      "usr_cpu" : 5.486319,
      "sys_cpu" : 94.092426,
      "ctx" : 952,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999962,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999962,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011964,
        "100" : 83.590927,
        "250" : 16.395943,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842443,
  "timestamp_ms" : 1772842443594,
  "time" : "Fri Mar  6 20:14:03 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 90,
      "elapsed" : 101,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 12238098432,
        "io_kbytes" : 11951268,
        "bw_bytes" : 135980382,
        "bw" : 132793,
        "iops" : 33198.346648,
        "runtime" : 89999,
        "total_ios" : 2987818,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8994,
          "max" : 327629,
          "mean" : 28404.746077,
          "stddev" : 5791.201383,
          "N" : 2987818
        },
        "clat_ns" : {
          "min" : 40152,
          "max" : 397136,
          "mean" : 91556.928457,
          "stddev" : 12277.556688,
          "N" : 2987817,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 158720,
            "99.950000" : 171008,
            "99.990000" : 197632
          },
          "bins" : {
            "40192" : 4,
            "40704" : 2,
            "41216" : 8,
            "41728" : 2,
            "42240" : 3,
            "42752" : 4,
            "43264" : 7,
            "43776" : 10,
            "44288" : 19,
            "44800" : 22,
            "45312" : 11,
            "45824" : 16,
            "46336" : 32,
            "46848" : 31,
            "47360" : 31,
            "47872" : 32,
            "48384" : 30,
            "48896" : 26,
            "49408" : 49,
            "49920" : 30,
            "50432" : 43,
            "50944" : 46,
            "51456" : 50,
            "51968" : 65,
            "52480" : 58,
            "52992" : 78,
            "53504" : 73,
            "54016" : 91,
            "54528" : 154,
            "55040" : 238,
            "55552" : 289,
            "56064" : 338,
            "56576" : 412,
            "57088" : 498,
            "57600" : 633,
            "58112" : 822,
            "58624" : 1013,
            "59136" : 1151,
            "59648" : 1017,
            "60160" : 997,
            "60672" : 1001,
            "61184" : 1115,
            "61696" : 1202,
            "62208" : 1208,
            "62720" : 1229,
            "63232" : 1213,
            "63744" : 1336,
            "64256" : 1310,
            "64768" : 1464,
            "65280" : 1662,
            "66048" : 4069,
            "67072" : 5587,
            "68096" : 8095,
            "69120" : 14010,
            "70144" : 21045,
            "71168" : 23450,
            "72192" : 24751,
            "73216" : 26928,
            "74240" : 29173,
            "75264" : 30292,
            "76288" : 32007,
            "77312" : 32901,
            "78336" : 33899,
            "79360" : 41276,
            "80384" : 59770,
            "81408" : 82356,
            "82432" : 96077,
            "83456" : 104230,
            "84480" : 114521,
            "85504" : 119112,
            "86528" : 122798,
            "87552" : 126793,
            "88576" : 136193,
            "89600" : 140470,
            "90624" : 143755,
            "91648" : 142601,
            "92672" : 139004,
            "93696" : 128300,
            "94720" : 115760,
            "95744" : 102482,
            "96768" : 90088,
            "97792" : 76511,
            "98816" : 65328,
            "99840" : 55726,
            "100864" : 46954,
            "101888" : 39882,
            "102912" : 34356,
            "103936" : 29581,
            "104960" : 26537,
            "105984" : 23545,
            "107008" : 21043,
            "108032" : 19258,
            "109056" : 18116,
            "110080" : 16380,
            "111104" : 15614,
            "112128" : 14432,
            "113152" : 13468,
            "114176" : 12307,
            "115200" : 11577,
            "116224" : 10779,
            "117248" : 10002,
            "118272" : 9265,
            "119296" : 8594,
            "120320" : 8040,
            "121344" : 7321,
            "122368" : 6981,
            "123392" : 6300,
            "124416" : 5824,
            "125440" : 5342,
            "126464" : 5086,
            "127488" : 4671,
            "128512" : 4114,
            "129536" : 3835,
            "130560" : 3597,
            "132096" : 6195,
            "134144" : 5332,
            "136192" : 4398,
            "138240" : 3533,
            "140288" : 2860,
            "142336" : 2308,
            "144384" : 1714,
            "146432" : 1324,
            "148480" : 976,
            "150528" : 830,
            "152576" : 676,
            "154624" : 601,
            "156672" : 452,
            "158720" : 385,
            "160768" : 337,
            "162816" : 305,
            "164864" : 267,
            "166912" : 237,
            "168960" : 201,
            "171008" : 176,
            "173056" : 167,
            "175104" : 132,
            "177152" : 130,
            "179200" : 97,
            "181248" : 88,
            "183296" : 75,
            "185344" : 86,
            "187392" : 77,
            "189440" : 59,
            "191488" : 50,
            "193536" : 48,
            "195584" : 35,
            "197632" : 46,
            "199680" : 32,
            "201728" : 29,
            "203776" : 21,
            "205824" : 20,
            "207872" : 17,
            "209920" : 20,
            "211968" : 12,
            "214016" : 22,
            "216064" : 11,
            "218112" : 8,
            "220160" : 10,
            "222208" : 5,
            "224256" : 9,
            "226304" : 3,
            "228352" : 4,
            "230400" : 3,
            "232448" : 4,
            "234496" : 5,
            "236544" : 4,
            "238592" : 1,
            "240640" : 8,
            "242688" : 2,
            "244736" : 2,
            "246784" : 1,
            "248832" : 1,
            "250880" : 2,
            "252928" : 3,
            "254976" : 7,
            "257024" : 1,
            "259072" : 1,
            "264192" : 5,
            "268288" : 1,
            "272384" : 1,
            "276480" : 3,
            "280576" : 2,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119961.676599,
          "stddev" : 15121.742821,
          "N" : 2987817
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132813.324022,
        "bw_dev" : 1210.374144,
        "bw_samples" : 179,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33203.301676,
        "iops_stddev" : 302.604460,
        "iops_samples" : 179
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 89999,
      "usr_cpu" : 5.542284,
      "sys_cpu" : 94.038823,
      "ctx" : 1083,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999967,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999967,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011982,
        "100" : 83.402804,
        "250" : 16.584109,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842453,
  "timestamp_ms" : 1772842453594,
  "time" : "Fri Mar  6 20:14:13 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 80,
      "elapsed" : 111,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 13588652032,
        "io_kbytes" : 13270168,
        "bw_bytes" : 135887879,
        "bw" : 132703,
        "iops" : 33175.761758,
        "runtime" : 99999,
        "total_ios" : 3317543,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 327629,
          "mean" : 28423.661857,
          "stddev" : 5807.919741,
          "N" : 3317543
        },
        "clat_ns" : {
          "min" : 40152,
          "max" : 397136,
          "mean" : 91618.653715,
          "stddev" : 12343.947487,
          "N" : 3317542,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "40192" : 4,
            "40704" : 3,
            "41216" : 8,
            "41728" : 2,
            "42240" : 3,
            "42752" : 5,
            "43264" : 7,
            "43776" : 13,
            "44288" : 20,
            "44800" : 22,
            "45312" : 12,
            "45824" : 16,
            "46336" : 32,
            "46848" : 31,
            "47360" : 34,
            "47872" : 33,
            "48384" : 36,
            "48896" : 30,
            "49408" : 50,
            "49920" : 33,
            "50432" : 48,
            "50944" : 51,
            "51456" : 56,
            "51968" : 70,
            "52480" : 64,
            "52992" : 85,
            "53504" : 81,
            "54016" : 99,
            "54528" : 171,
            "55040" : 260,
            "55552" : 319,
            "56064" : 370,
            "56576" : 447,
            "57088" : 553,
            "57600" : 689,
            "58112" : 874,
            "58624" : 1094,
            "59136" : 1276,
            "59648" : 1140,
            "60160" : 1110,
            "60672" : 1109,
            "61184" : 1224,
            "61696" : 1334,
            "62208" : 1351,
            "62720" : 1360,
            "63232" : 1368,
            "63744" : 1508,
            "64256" : 1481,
            "64768" : 1640,
            "65280" : 1847,
            "66048" : 4498,
            "67072" : 6161,
            "68096" : 8881,
            "69120" : 15296,
            "70144" : 23225,
            "71168" : 26029,
            "72192" : 27417,
            "73216" : 29754,
            "74240" : 32327,
            "75264" : 33567,
            "76288" : 35389,
            "77312" : 36534,
            "78336" : 37591,
            "79360" : 45562,
            "80384" : 65813,
            "81408" : 90994,
            "82432" : 106363,
            "83456" : 115554,
            "84480" : 126998,
            "85504" : 132308,
            "86528" : 135976,
            "87552" : 140391,
            "88576" : 150496,
            "89600" : 155488,
            "90624" : 159193,
            "91648" : 158256,
            "92672" : 154056,
            "93696" : 142442,
            "94720" : 128503,
            "95744" : 114087,
            "96768" : 100286,
            "97792" : 85132,
            "98816" : 72440,
            "99840" : 61973,
            "100864" : 52313,
            "101888" : 44395,
            "102912" : 38262,
            "103936" : 33127,
            "104960" : 29573,
            "105984" : 26230,
            "107008" : 23543,
            "108032" : 21409,
            "109056" : 20324,
            "110080" : 18356,
            "111104" : 17515,
            "112128" : 16268,
            "113152" : 15171,
            "114176" : 13892,
            "115200" : 13010,
            "116224" : 12146,
            "117248" : 11293,
            "118272" : 10547,
            "119296" : 9694,
            "120320" : 9063,
            "121344" : 8249,
            "122368" : 7817,
            "123392" : 7128,
            "124416" : 6532,
            "125440" : 6019,
            "126464" : 5690,
            "127488" : 5225,
            "128512" : 4633,
            "129536" : 4313,
            "130560" : 4038,
            "132096" : 6948,
            "134144" : 5989,
            "136192" : 4966,
            "138240" : 3994,
            "140288" : 3247,
            "142336" : 2639,
            "144384" : 1974,
            "146432" : 1542,
            "148480" : 1144,
            "150528" : 963,
            "152576" : 797,
            "154624" : 696,
            "156672" : 541,
            "158720" : 451,
            "160768" : 391,
            "162816" : 368,
            "164864" : 327,
            "166912" : 281,
            "168960" : 226,
            "171008" : 203,
            "173056" : 192,
            "175104" : 154,
            "177152" : 142,
            "179200" : 121,
            "181248" : 105,
            "183296" : 90,
            "185344" : 97,
            "187392" : 91,
            "189440" : 68,
            "191488" : 58,
            "193536" : 56,
            "195584" : 47,
            "197632" : 51,
            "199680" : 41,
            "201728" : 33,
            "203776" : 27,
            "205824" : 23,
            "207872" : 19,
            "209920" : 21,
            "211968" : 18,
            "214016" : 26,
            "216064" : 14,
            "218112" : 8,
            "220160" : 11,
            "222208" : 7,
            "224256" : 18,
            "226304" : 3,
            "228352" : 5,
            "230400" : 4,
            "232448" : 5,
            "234496" : 7,
            "236544" : 7,
            "238592" : 2,
            "240640" : 9,
            "242688" : 2,
            "244736" : 3,
            "246784" : 2,
            "248832" : 1,
            "250880" : 2,
            "252928" : 3,
            "254976" : 7,
            "257024" : 1,
            "259072" : 2,
            "264192" : 7,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 120042.316209,
          "stddev" : 15211.574820,
          "N" : 3317542
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132738.663317,
        "bw_dev" : 1231.783167,
        "bw_samples" : 199,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33184.638191,
        "iops_stddev" : 307.953771,
        "iops_samples" : 199
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 99999,
      "usr_cpu" : 5.531055,
      "sys_cpu" : 94.051941,
      "ctx" : 1188,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999970,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999970,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011484,
        "100" : 83.248356,
        "250" : 16.738954,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842463,
  "timestamp_ms" : 1772842463594,
  "time" : "Fri Mar  6 20:14:23 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 70,
      "elapsed" : 121,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 14950703104,
        "io_kbytes" : 14600296,
        "bw_bytes" : 135916718,
        "bw" : 132731,
        "iops" : 33182.810753,
        "runtime" : 109999,
        "total_ios" : 3650076,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 327629,
          "mean" : 28417.383169,
          "stddev" : 5808.043771,
          "N" : 3650076
        },
        "clat_ns" : {
          "min" : 38499,
          "max" : 397136,
          "mean" : 91599.441928,
          "stddev" : 12353.960128,
          "N" : 3650075,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 74240,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 4,
            "41216" : 8,
            "41728" : 2,
            "42240" : 3,
            "42752" : 5,
            "43264" : 8,
            "43776" : 15,
            "44288" : 21,
            "44800" : 25,
            "45312" : 14,
            "45824" : 17,
            "46336" : 37,
            "46848" : 36,
            "47360" : 38,
            "47872" : 34,
            "48384" : 38,
            "48896" : 34,
            "49408" : 52,
            "49920" : 35,
            "50432" : 51,
            "50944" : 54,
            "51456" : 59,
            "51968" : 75,
            "52480" : 68,
            "52992" : 88,
            "53504" : 91,
            "54016" : 119,
            "54528" : 190,
            "55040" : 298,
            "55552" : 359,
            "56064" : 415,
            "56576" : 491,
            "57088" : 608,
            "57600" : 780,
            "58112" : 985,
            "58624" : 1208,
            "59136" : 1377,
            "59648" : 1255,
            "60160" : 1212,
            "60672" : 1236,
            "61184" : 1360,
            "61696" : 1462,
            "62208" : 1475,
            "62720" : 1487,
            "63232" : 1490,
            "63744" : 1657,
            "64256" : 1632,
            "64768" : 1805,
            "65280" : 2021,
            "66048" : 5035,
            "67072" : 6767,
            "68096" : 9901,
            "69120" : 17248,
            "70144" : 25839,
            "71168" : 28705,
            "72192" : 30211,
            "73216" : 32791,
            "74240" : 35460,
            "75264" : 36893,
            "76288" : 38880,
            "77312" : 40149,
            "78336" : 41434,
            "79360" : 50582,
            "80384" : 73585,
            "81408" : 101196,
            "82432" : 117685,
            "83456" : 127556,
            "84480" : 140182,
            "85504" : 145424,
            "86528" : 149094,
            "87552" : 154404,
            "88576" : 165293,
            "89600" : 170946,
            "90624" : 175121,
            "91648" : 173707,
            "92672" : 169144,
            "93696" : 156415,
            "94720" : 141154,
            "95744" : 125067,
            "96768" : 109680,
            "97792" : 93058,
            "98816" : 79377,
            "99840" : 67754,
            "100864" : 57271,
            "101888" : 48661,
            "102912" : 41995,
            "103936" : 36334,
            "104960" : 32403,
            "105984" : 28808,
            "107008" : 25940,
            "108032" : 23559,
            "109056" : 22301,
            "110080" : 20250,
            "111104" : 19267,
            "112128" : 17938,
            "113152" : 16783,
            "114176" : 15296,
            "115200" : 14361,
            "116224" : 13358,
            "117248" : 12465,
            "118272" : 11584,
            "119296" : 10706,
            "120320" : 10023,
            "121344" : 9164,
            "122368" : 8667,
            "123392" : 7849,
            "124416" : 7210,
            "125440" : 6651,
            "126464" : 6253,
            "127488" : 5771,
            "128512" : 5152,
            "129536" : 4759,
            "130560" : 4442,
            "132096" : 7713,
            "134144" : 6622,
            "136192" : 5499,
            "138240" : 4418,
            "140288" : 3563,
            "142336" : 2884,
            "144384" : 2150,
            "146432" : 1686,
            "148480" : 1256,
            "150528" : 1052,
            "152576" : 855,
            "154624" : 752,
            "156672" : 579,
            "158720" : 499,
            "160768" : 441,
            "162816" : 393,
            "164864" : 350,
            "166912" : 310,
            "168960" : 247,
            "171008" : 233,
            "173056" : 204,
            "175104" : 165,
            "177152" : 156,
            "179200" : 133,
            "181248" : 115,
            "183296" : 97,
            "185344" : 107,
            "187392" : 97,
            "189440" : 73,
            "191488" : 69,
            "193536" : 64,
            "195584" : 50,
            "197632" : 56,
            "199680" : 41,
            "201728" : 36,
            "203776" : 33,
            "205824" : 25,
            "207872" : 23,
            "209920" : 23,
            "211968" : 21,
            "214016" : 29,
            "216064" : 16,
            "218112" : 10,
            "220160" : 12,
            "222208" : 7,
            "224256" : 21,
            "226304" : 4,
            "228352" : 5,
            "230400" : 4,
            "232448" : 5,
            "234496" : 9,
            "236544" : 7,
            "238592" : 2,
            "240640" : 9,
            "242688" : 2,
            "244736" : 3,
            "246784" : 2,
            "248832" : 1,
            "250880" : 2,
            "252928" : 3,
            "254976" : 7,
            "257024" : 1,
            "259072" : 2,
            "264192" : 7,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 120016.832135,
          "stddev" : 15228.738331,
          "N" : 3650075
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132754.360731,
        "bw_dev" : 1236.985984,
        "bw_samples" : 219,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33188.570776,
        "iops_stddev" : 309.253968,
        "iops_samples" : 219
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 109999,
      "usr_cpu" : 5.547323,
      "sys_cpu" : 94.037219,
      "ctx" : 1275,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011452,
        "100" : 83.259225,
        "250" : 16.728227,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842473,
  "timestamp_ms" : 1772842473595,
  "time" : "Fri Mar  6 20:14:33 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 60,
      "elapsed" : 131,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 16310079488,
        "io_kbytes" : 15927812,
        "bw_bytes" : 135918461,
        "bw" : 132732,
        "iops" : 33183.226527,
        "runtime" : 119999,
        "total_ios" : 3981954,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 327629,
          "mean" : 28416.643388,
          "stddev" : 5818.921895,
          "N" : 3981954
        },
        "clat_ns" : {
          "min" : 38499,
          "max" : 397136,
          "mean" : 91598.413410,
          "stddev" : 12402.722166,
          "N" : 3981953,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 115200,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 4,
            "41216" : 8,
            "41728" : 2,
            "42240" : 3,
            "42752" : 5,
            "43264" : 10,
            "43776" : 16,
            "44288" : 23,
            "44800" : 25,
            "45312" : 15,
            "45824" : 18,
            "46336" : 39,
            "46848" : 39,
            "47360" : 42,
            "47872" : 38,
            "48384" : 45,
            "48896" : 35,
            "49408" : 54,
            "49920" : 37,
            "50432" : 54,
            "50944" : 56,
            "51456" : 69,
            "51968" : 85,
            "52480" : 74,
            "52992" : 98,
            "53504" : 100,
            "54016" : 133,
            "54528" : 215,
            "55040" : 344,
            "55552" : 399,
            "56064" : 450,
            "56576" : 542,
            "57088" : 666,
            "57600" : 878,
            "58112" : 1112,
            "58624" : 1357,
            "59136" : 1523,
            "59648" : 1363,
            "60160" : 1345,
            "60672" : 1348,
            "61184" : 1461,
            "61696" : 1579,
            "62208" : 1594,
            "62720" : 1590,
            "63232" : 1623,
            "63744" : 1791,
            "64256" : 1756,
            "64768" : 1984,
            "65280" : 2208,
            "66048" : 5595,
            "67072" : 7548,
            "68096" : 11077,
            "69120" : 19456,
            "70144" : 29061,
            "71168" : 31734,
            "72192" : 33008,
            "73216" : 35624,
            "74240" : 38223,
            "75264" : 39626,
            "76288" : 41906,
            "77312" : 43359,
            "78336" : 44984,
            "79360" : 55888,
            "80384" : 82409,
            "81408" : 113577,
            "82432" : 131197,
            "83456" : 141098,
            "84480" : 153850,
            "85504" : 158159,
            "86528" : 161068,
            "87552" : 166416,
            "88576" : 178131,
            "89600" : 184239,
            "90624" : 188968,
            "91648" : 187563,
            "92672" : 182991,
            "93696" : 169574,
            "94720" : 153205,
            "95744" : 135825,
            "96768" : 119292,
            "97792" : 101494,
            "98816" : 86787,
            "99840" : 73885,
            "100864" : 62818,
            "101888" : 53282,
            "102912" : 45998,
            "103936" : 39968,
            "104960" : 35601,
            "105984" : 31735,
            "107008" : 28566,
            "108032" : 25955,
            "109056" : 24537,
            "110080" : 22278,
            "111104" : 21248,
            "112128" : 19716,
            "113152" : 18413,
            "114176" : 16831,
            "115200" : 15814,
            "116224" : 14620,
            "117248" : 13713,
            "118272" : 12703,
            "119296" : 11755,
            "120320" : 10980,
            "121344" : 10161,
            "122368" : 9499,
            "123392" : 8678,
            "124416" : 7992,
            "125440" : 7341,
            "126464" : 6911,
            "127488" : 6362,
            "128512" : 5689,
            "129536" : 5261,
            "130560" : 4925,
            "132096" : 8485,
            "134144" : 7262,
            "136192" : 6070,
            "138240" : 4843,
            "140288" : 3918,
            "142336" : 3156,
            "144384" : 2350,
            "146432" : 1824,
            "148480" : 1378,
            "150528" : 1157,
            "152576" : 937,
            "154624" : 815,
            "156672" : 652,
            "158720" : 549,
            "160768" : 489,
            "162816" : 442,
            "164864" : 377,
            "166912" : 336,
            "168960" : 269,
            "171008" : 258,
            "173056" : 223,
            "175104" : 178,
            "177152" : 171,
            "179200" : 146,
            "181248" : 131,
            "183296" : 106,
            "185344" : 122,
            "187392" : 107,
            "189440" : 80,
            "191488" : 74,
            "193536" : 70,
            "195584" : 57,
            "197632" : 61,
            "199680" : 41,
            "201728" : 41,
            "203776" : 34,
            "205824" : 26,
            "207872" : 26,
            "209920" : 26,
            "211968" : 24,
            "214016" : 29,
            "216064" : 20,
            "218112" : 11,
            "220160" : 15,
            "222208" : 8,
            "224256" : 22,
            "226304" : 5,
            "228352" : 8,
            "230400" : 5,
            "232448" : 8,
            "234496" : 10,
            "236544" : 7,
            "238592" : 3,
            "240640" : 9,
            "242688" : 4,
            "244736" : 3,
            "246784" : 3,
            "248832" : 2,
            "250880" : 2,
            "252928" : 3,
            "254976" : 7,
            "257024" : 2,
            "259072" : 2,
            "261120" : 1,
            "264192" : 8,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 120015.058849,
          "stddev" : 15298.039420,
          "N" : 3981953
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132762.995816,
        "bw_dev" : 1240.274636,
        "bw_samples" : 239,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33190.728033,
        "iops_stddev" : 310.078367,
        "iops_samples" : 239
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 119999,
      "usr_cpu" : 5.573380,
      "sys_cpu" : 94.012450,
      "ctx" : 1371,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999975,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999975,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011301,
        "100" : 83.137927,
        "250" : 16.849692,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842483,
  "timestamp_ms" : 1772842483595,
  "time" : "Fri Mar  6 20:14:43 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 50,
      "elapsed" : 141,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 17672519680,
        "io_kbytes" : 17258320,
        "bw_bytes" : 135942459,
        "bw" : 132756,
        "iops" : 33189.084615,
        "runtime" : 130000,
        "total_ios" : 4314581,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 327629,
          "mean" : 28410.382014,
          "stddev" : 5811.957950,
          "N" : 4314581
        },
        "clat_ns" : {
          "min" : 38499,
          "max" : 397136,
          "mean" : 91581.910099,
          "stddev" : 12385.270538,
          "N" : 4314580,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 8,
            "41728" : 2,
            "42240" : 4,
            "42752" : 5,
            "43264" : 10,
            "43776" : 18,
            "44288" : 23,
            "44800" : 25,
            "45312" : 17,
            "45824" : 21,
            "46336" : 40,
            "46848" : 43,
            "47360" : 45,
            "47872" : 44,
            "48384" : 48,
            "48896" : 39,
            "49408" : 60,
            "49920" : 39,
            "50432" : 61,
            "50944" : 63,
            "51456" : 79,
            "51968" : 92,
            "52480" : 85,
            "52992" : 108,
            "53504" : 107,
            "54016" : 147,
            "54528" : 238,
            "55040" : 369,
            "55552" : 431,
            "56064" : 500,
            "56576" : 581,
            "57088" : 720,
            "57600" : 946,
            "58112" : 1220,
            "58624" : 1463,
            "59136" : 1652,
            "59648" : 1486,
            "60160" : 1477,
            "60672" : 1473,
            "61184" : 1576,
            "61696" : 1691,
            "62208" : 1712,
            "62720" : 1732,
            "63232" : 1768,
            "63744" : 1957,
            "64256" : 1899,
            "64768" : 2140,
            "65280" : 2402,
            "66048" : 6080,
            "67072" : 8214,
            "68096" : 12018,
            "69120" : 21122,
            "70144" : 31488,
            "71168" : 34479,
            "72192" : 35772,
            "73216" : 38653,
            "74240" : 41423,
            "75264" : 43029,
            "76288" : 45502,
            "77312" : 46967,
            "78336" : 48773,
            "79360" : 60513,
            "80384" : 89269,
            "81408" : 123254,
            "82432" : 142328,
            "83456" : 153079,
            "84480" : 166937,
            "85504" : 171562,
            "86528" : 174682,
            "87552" : 180237,
            "88576" : 193192,
            "89600" : 199549,
            "90624" : 204574,
            "91648" : 203164,
            "92672" : 198301,
            "93696" : 183736,
            "94720" : 166014,
            "95744" : 147514,
            "96768" : 129250,
            "97792" : 109919,
            "98816" : 94019,
            "99840" : 80043,
            "100864" : 68101,
            "101888" : 57648,
            "102912" : 49827,
            "103936" : 43292,
            "104960" : 38485,
            "105984" : 34367,
            "107008" : 30905,
            "108032" : 28180,
            "109056" : 26558,
            "110080" : 24121,
            "111104" : 22949,
            "112128" : 21296,
            "113152" : 19860,
            "114176" : 18159,
            "115200" : 17092,
            "116224" : 15753,
            "117248" : 14859,
            "118272" : 13717,
            "119296" : 12688,
            "120320" : 11830,
            "121344" : 10919,
            "122368" : 10231,
            "123392" : 9316,
            "124416" : 8635,
            "125440" : 7953,
            "126464" : 7450,
            "127488" : 6894,
            "128512" : 6157,
            "129536" : 5656,
            "130560" : 5288,
            "132096" : 9137,
            "134144" : 7796,
            "136192" : 6546,
            "138240" : 5220,
            "140288" : 4216,
            "142336" : 3388,
            "144384" : 2520,
            "146432" : 1938,
            "148480" : 1462,
            "150528" : 1232,
            "152576" : 1001,
            "154624" : 879,
            "156672" : 695,
            "158720" : 593,
            "160768" : 516,
            "162816" : 468,
            "164864" : 404,
            "166912" : 365,
            "168960" : 294,
            "171008" : 278,
            "173056" : 238,
            "175104" : 205,
            "177152" : 186,
            "179200" : 161,
            "181248" : 139,
            "183296" : 112,
            "185344" : 131,
            "187392" : 113,
            "189440" : 91,
            "191488" : 79,
            "193536" : 72,
            "195584" : 62,
            "197632" : 68,
            "199680" : 45,
            "201728" : 43,
            "203776" : 35,
            "205824" : 28,
            "207872" : 27,
            "209920" : 27,
            "211968" : 25,
            "214016" : 31,
            "216064" : 21,
            "218112" : 11,
            "220160" : 16,
            "222208" : 9,
            "224256" : 24,
            "226304" : 5,
            "228352" : 8,
            "230400" : 6,
            "232448" : 8,
            "234496" : 11,
            "236544" : 7,
            "238592" : 3,
            "240640" : 9,
            "242688" : 4,
            "244736" : 3,
            "246784" : 3,
            "248832" : 2,
            "250880" : 2,
            "252928" : 3,
            "254976" : 9,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 8,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119992.292623,
          "stddev" : 15276.486833,
          "N" : 4314580
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132784.119691,
        "bw_dev" : 1206.176523,
        "bw_samples" : 259,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33196.007722,
        "iops_stddev" : 301.552443,
        "iops_samples" : 259
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 130000,
      "usr_cpu" : 5.570769,
      "sys_cpu" : 94.015385,
      "ctx" : 1501,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999977,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999977,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011310,
        "100" : 83.177903,
        "250" : 16.809720,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842493,
  "timestamp_ms" : 1772842493594,
  "time" : "Fri Mar  6 20:14:53 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 40,
      "elapsed" : 151,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 19031146496,
        "io_kbytes" : 18585104,
        "bw_bytes" : 135937731,
        "bw" : 132751,
        "iops" : 33187.929914,
        "runtime" : 139999,
        "total_ios" : 4646277,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 327629,
          "mean" : 28410.691071,
          "stddev" : 5803.759827,
          "N" : 4646277
        },
        "clat_ns" : {
          "min" : 38499,
          "max" : 397136,
          "mean" : 91585.427203,
          "stddev" : 12361.223226,
          "N" : 4646276,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 199680
          },
          "bins" : {
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 8,
            "41728" : 2,
            "42240" : 4,
            "42752" : 5,
            "43264" : 11,
            "43776" : 21,
            "44288" : 25,
            "44800" : 28,
            "45312" : 18,
            "45824" : 21,
            "46336" : 41,
            "46848" : 49,
            "47360" : 48,
            "47872" : 46,
            "48384" : 53,
            "48896" : 41,
            "49408" : 66,
            "49920" : 46,
            "50432" : 65,
            "50944" : 65,
            "51456" : 85,
            "51968" : 99,
            "52480" : 95,
            "52992" : 118,
            "53504" : 115,
            "54016" : 156,
            "54528" : 249,
            "55040" : 389,
            "55552" : 470,
            "56064" : 532,
            "56576" : 624,
            "57088" : 774,
            "57600" : 1010,
            "58112" : 1299,
            "58624" : 1567,
            "59136" : 1767,
            "59648" : 1606,
            "60160" : 1596,
            "60672" : 1580,
            "61184" : 1669,
            "61696" : 1812,
            "62208" : 1854,
            "62720" : 1873,
            "63232" : 1897,
            "63744" : 2098,
            "64256" : 2032,
            "64768" : 2300,
            "65280" : 2570,
            "66048" : 6491,
            "67072" : 8816,
            "68096" : 12797,
            "69120" : 22388,
            "70144" : 33604,
            "71168" : 37097,
            "72192" : 38448,
            "73216" : 41538,
            "74240" : 44551,
            "75264" : 46472,
            "76288" : 49131,
            "77312" : 50701,
            "78336" : 52596,
            "79360" : 64859,
            "80384" : 95313,
            "81408" : 131878,
            "82432" : 152925,
            "83456" : 164648,
            "84480" : 179482,
            "85504" : 184893,
            "86528" : 188272,
            "87552" : 194465,
            "88576" : 208469,
            "89600" : 215304,
            "90624" : 220915,
            "91648" : 218980,
            "92672" : 214022,
            "93696" : 198035,
            "94720" : 179211,
            "95744" : 159196,
            "96768" : 139331,
            "97792" : 118560,
            "98816" : 101360,
            "99840" : 86217,
            "100864" : 73432,
            "101888" : 62188,
            "102912" : 53792,
            "103936" : 46662,
            "104960" : 41427,
            "105984" : 36992,
            "107008" : 33284,
            "108032" : 30363,
            "109056" : 28581,
            "110080" : 25968,
            "111104" : 24617,
            "112128" : 22872,
            "113152" : 21380,
            "114176" : 19518,
            "115200" : 18388,
            "116224" : 16909,
            "117248" : 16008,
            "118272" : 14714,
            "119296" : 13707,
            "120320" : 12702,
            "121344" : 11697,
            "122368" : 11005,
            "123392" : 9995,
            "124416" : 9271,
            "125440" : 8569,
            "126464" : 8015,
            "127488" : 7398,
            "128512" : 6601,
            "129536" : 6087,
            "130560" : 5674,
            "132096" : 9818,
            "134144" : 8350,
            "136192" : 6988,
            "138240" : 5606,
            "140288" : 4518,
            "142336" : 3608,
            "144384" : 2699,
            "146432" : 2073,
            "148480" : 1553,
            "150528" : 1301,
            "152576" : 1066,
            "154624" : 931,
            "156672" : 737,
            "158720" : 629,
            "160768" : 534,
            "162816" : 496,
            "164864" : 429,
            "166912" : 387,
            "168960" : 321,
            "171008" : 293,
            "173056" : 258,
            "175104" : 222,
            "177152" : 195,
            "179200" : 173,
            "181248" : 151,
            "183296" : 124,
            "185344" : 142,
            "187392" : 123,
            "189440" : 100,
            "191488" : 84,
            "193536" : 73,
            "195584" : 62,
            "197632" : 70,
            "199680" : 46,
            "201728" : 46,
            "203776" : 37,
            "205824" : 30,
            "207872" : 29,
            "209920" : 29,
            "211968" : 27,
            "214016" : 31,
            "216064" : 21,
            "218112" : 12,
            "220160" : 16,
            "222208" : 9,
            "224256" : 24,
            "226304" : 5,
            "228352" : 8,
            "230400" : 6,
            "232448" : 8,
            "234496" : 11,
            "236544" : 7,
            "238592" : 3,
            "240640" : 9,
            "242688" : 4,
            "244736" : 3,
            "246784" : 3,
            "248832" : 2,
            "250880" : 2,
            "252928" : 3,
            "254976" : 9,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 8,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 425169,
          "mean" : 119996.119013,
          "stddev" : 15244.601569,
          "N" : 4646276
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132785.530466,
        "bw_dev" : 1188.980661,
        "bw_samples" : 279,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33196.354839,
        "iops_stddev" : 297.254632,
        "iops_samples" : 279
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 139999,
      "usr_cpu" : 5.558611,
      "sys_cpu" : 94.029243,
      "ctx" : 1623,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999978,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999978,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011364,
        "100" : 83.190951,
        "250" : 16.796696,
        "500" : 0.010000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842503,
  "timestamp_ms" : 1772842503594,
  "time" : "Fri Mar  6 20:15:03 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 30,
      "elapsed" : 161,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 20390899712,
        "io_kbytes" : 19912988,
        "bw_bytes" : 135940237,
        "bw" : 132754,
        "iops" : 33188.541257,
        "runtime" : 149999,
        "total_ios" : 4978248,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 3571670,
          "mean" : 28409.644708,
          "stddev" : 6780.725758,
          "N" : 4978248
        },
        "clat_ns" : {
          "min" : 38008,
          "max" : 3641948,
          "mean" : 91583.932522,
          "stddev" : 13781.504094,
          "N" : 4978247,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 201728
          },
          "bins" : {
            "38144" : 1,
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 9,
            "41728" : 2,
            "42240" : 4,
            "42752" : 5,
            "43264" : 11,
            "43776" : 24,
            "44288" : 27,
            "44800" : 29,
            "45312" : 20,
            "45824" : 21,
            "46336" : 44,
            "46848" : 57,
            "47360" : 51,
            "47872" : 50,
            "48384" : 56,
            "48896" : 43,
            "49408" : 67,
            "49920" : 46,
            "50432" : 68,
            "50944" : 67,
            "51456" : 89,
            "51968" : 107,
            "52480" : 98,
            "52992" : 124,
            "53504" : 122,
            "54016" : 167,
            "54528" : 272,
            "55040" : 420,
            "55552" : 507,
            "56064" : 575,
            "56576" : 665,
            "57088" : 828,
            "57600" : 1083,
            "58112" : 1399,
            "58624" : 1676,
            "59136" : 1910,
            "59648" : 1733,
            "60160" : 1731,
            "60672" : 1689,
            "61184" : 1768,
            "61696" : 1914,
            "62208" : 1976,
            "62720" : 2002,
            "63232" : 2042,
            "63744" : 2241,
            "64256" : 2169,
            "64768" : 2461,
            "65280" : 2732,
            "66048" : 7010,
            "67072" : 9485,
            "68096" : 13787,
            "69120" : 24134,
            "70144" : 36096,
            "71168" : 39769,
            "72192" : 41145,
            "73216" : 44577,
            "74240" : 47848,
            "75264" : 49927,
            "76288" : 52643,
            "77312" : 54302,
            "78336" : 56411,
            "79360" : 69815,
            "80384" : 102756,
            "81408" : 142036,
            "82432" : 164399,
            "83456" : 176607,
            "84480" : 192539,
            "85504" : 198275,
            "86528" : 201648,
            "87552" : 208217,
            "88576" : 223263,
            "89600" : 230663,
            "90624" : 236421,
            "91648" : 234531,
            "92672" : 229332,
            "93696" : 212029,
            "94720" : 191847,
            "95744" : 170405,
            "96768" : 149248,
            "97792" : 126790,
            "98816" : 108550,
            "99840" : 92260,
            "100864" : 78483,
            "101888" : 66588,
            "102912" : 57388,
            "103936" : 49833,
            "104960" : 44292,
            "105984" : 39497,
            "107008" : 35593,
            "108032" : 32560,
            "109056" : 30584,
            "110080" : 27781,
            "111104" : 26320,
            "112128" : 24455,
            "113152" : 22863,
            "114176" : 20899,
            "115200" : 19602,
            "116224" : 18071,
            "117248" : 17085,
            "118272" : 15800,
            "119296" : 14656,
            "120320" : 13575,
            "121344" : 12523,
            "122368" : 11753,
            "123392" : 10725,
            "124416" : 9909,
            "125440" : 9162,
            "126464" : 8566,
            "127488" : 7909,
            "128512" : 7042,
            "129536" : 6466,
            "130560" : 6055,
            "132096" : 10475,
            "134144" : 8900,
            "136192" : 7519,
            "138240" : 5988,
            "140288" : 4792,
            "142336" : 3811,
            "144384" : 2874,
            "146432" : 2198,
            "148480" : 1658,
            "150528" : 1389,
            "152576" : 1130,
            "154624" : 990,
            "156672" : 782,
            "158720" : 671,
            "160768" : 578,
            "162816" : 528,
            "164864" : 456,
            "166912" : 415,
            "168960" : 346,
            "171008" : 308,
            "173056" : 272,
            "175104" : 238,
            "177152" : 208,
            "179200" : 177,
            "181248" : 163,
            "183296" : 132,
            "185344" : 148,
            "187392" : 128,
            "189440" : 107,
            "191488" : 92,
            "193536" : 74,
            "195584" : 64,
            "197632" : 73,
            "199680" : 48,
            "201728" : 47,
            "203776" : 40,
            "205824" : 30,
            "207872" : 29,
            "209920" : 30,
            "211968" : 27,
            "214016" : 33,
            "216064" : 24,
            "218112" : 13,
            "220160" : 17,
            "222208" : 9,
            "224256" : 25,
            "226304" : 6,
            "228352" : 8,
            "230400" : 7,
            "232448" : 8,
            "234496" : 12,
            "236544" : 7,
            "238592" : 3,
            "240640" : 10,
            "242688" : 4,
            "244736" : 3,
            "246784" : 4,
            "248832" : 4,
            "250880" : 2,
            "252928" : 3,
            "254976" : 10,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 8,
            "268288" : 2,
            "272384" : 2,
            "276480" : 4,
            "280576" : 3,
            "305152" : 1,
            "313344" : 2,
            "370688" : 1,
            "374784" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1,
            "407552" : 1,
            "411648" : 1,
            "415744" : 1,
            "423936" : 4,
            "428032" : 1,
            "432128" : 1,
            "452608" : 1,
            "456704" : 1,
            "464896" : 1,
            "518144" : 1,
            "522240" : 2,
            "552960" : 2,
            "561152" : 3,
            "569344" : 1,
            "1368064" : 3,
            "1908736" : 2,
            "1925120" : 1,
            "2072576" : 2,
            "2088960" : 2,
            "2113536" : 2,
            "2146304" : 6,
            "2342912" : 2,
            "2375680" : 1,
            "2768896" : 5,
            "2801664" : 4,
            "3620864" : 1,
            "3653632" : 2
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 3670641,
          "mean" : 119993.578098,
          "stddev" : 16796.083171,
          "N" : 4978247
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132781.264214,
        "bw_dev" : 1167.503178,
        "bw_samples" : 299,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33195.287625,
        "iops_stddev" : 291.882683,
        "iops_samples" : 299
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 149999,
      "usr_cpu" : 5.575371,
      "sys_cpu" : 93.994627,
      "ctx" : 1742,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999960,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999960,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011289,
        "100" : 83.229662,
        "250" : 16.756959,
        "500" : 0.010000,
        "750" : 0.010000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.010000,
        "4" : 0.010000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842513,
  "timestamp_ms" : 1772842513594,
  "time" : "Fri Mar  6 20:15:13 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 20,
      "elapsed" : 171,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 21752791040,
        "io_kbytes" : 21242960,
        "bw_bytes" : 135955793,
        "bw" : 132769,
        "iops" : 33192.338702,
        "runtime" : 159999,
        "total_ios" : 5310741,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8984,
          "max" : 4093316,
          "mean" : 28406.277832,
          "stddev" : 7242.581024,
          "N" : 5310741
        },
        "clat_ns" : {
          "min" : 38008,
          "max" : 4163082,
          "mean" : 91573.269990,
          "stddev" : 14468.104151,
          "N" : 5310740,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 201728
          },
          "bins" : {
            "38144" : 1,
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 9,
            "41728" : 3,
            "42240" : 4,
            "42752" : 6,
            "43264" : 12,
            "43776" : 24,
            "44288" : 27,
            "44800" : 32,
            "45312" : 21,
            "45824" : 25,
            "46336" : 44,
            "46848" : 59,
            "47360" : 55,
            "47872" : 54,
            "48384" : 57,
            "48896" : 48,
            "49408" : 71,
            "49920" : 49,
            "50432" : 73,
            "50944" : 69,
            "51456" : 95,
            "51968" : 120,
            "52480" : 106,
            "52992" : 132,
            "53504" : 130,
            "54016" : 177,
            "54528" : 293,
            "55040" : 450,
            "55552" : 546,
            "56064" : 625,
            "56576" : 714,
            "57088" : 889,
            "57600" : 1161,
            "58112" : 1499,
            "58624" : 1820,
            "59136" : 2054,
            "59648" : 1866,
            "60160" : 1848,
            "60672" : 1796,
            "61184" : 1909,
            "61696" : 2048,
            "62208" : 2130,
            "62720" : 2144,
            "63232" : 2201,
            "63744" : 2369,
            "64256" : 2323,
            "64768" : 2628,
            "65280" : 2916,
            "66048" : 7506,
            "67072" : 10140,
            "68096" : 14662,
            "69120" : 25724,
            "70144" : 38522,
            "71168" : 42566,
            "72192" : 44028,
            "73216" : 47706,
            "74240" : 51230,
            "75264" : 53479,
            "76288" : 56341,
            "77312" : 58068,
            "78336" : 60236,
            "79360" : 74406,
            "80384" : 109606,
            "81408" : 151557,
            "82432" : 175731,
            "83456" : 188719,
            "84480" : 205659,
            "85504" : 211764,
            "86528" : 215336,
            "87552" : 222360,
            "88576" : 238463,
            "89600" : 246832,
            "90624" : 252547,
            "91648" : 250764,
            "92672" : 245039,
            "93696" : 226278,
            "94720" : 204404,
            "95744" : 181462,
            "96768" : 158785,
            "97792" : 134779,
            "98816" : 115244,
            "99840" : 98004,
            "100864" : 83311,
            "101888" : 70590,
            "102912" : 60848,
            "103936" : 52955,
            "104960" : 46998,
            "105984" : 41868,
            "107008" : 37831,
            "108032" : 34614,
            "109056" : 32502,
            "110080" : 29531,
            "111104" : 27930,
            "112128" : 25965,
            "113152" : 24375,
            "114176" : 22270,
            "115200" : 20888,
            "116224" : 19250,
            "117248" : 18218,
            "118272" : 16897,
            "119296" : 15658,
            "120320" : 14436,
            "121344" : 13326,
            "122368" : 12529,
            "123392" : 11448,
            "124416" : 10581,
            "125440" : 9768,
            "126464" : 9098,
            "127488" : 8409,
            "128512" : 7564,
            "129536" : 6918,
            "130560" : 6450,
            "132096" : 11158,
            "134144" : 9432,
            "136192" : 7973,
            "138240" : 6353,
            "140288" : 5129,
            "142336" : 4026,
            "144384" : 3069,
            "146432" : 2335,
            "148480" : 1775,
            "150528" : 1485,
            "152576" : 1211,
            "154624" : 1056,
            "156672" : 835,
            "158720" : 736,
            "160768" : 619,
            "162816" : 576,
            "164864" : 496,
            "166912" : 433,
            "168960" : 363,
            "171008" : 333,
            "173056" : 298,
            "175104" : 258,
            "177152" : 227,
            "179200" : 195,
            "181248" : 176,
            "183296" : 143,
            "185344" : 157,
            "187392" : 135,
            "189440" : 113,
            "191488" : 93,
            "193536" : 78,
            "195584" : 68,
            "197632" : 75,
            "199680" : 54,
            "201728" : 52,
            "203776" : 43,
            "205824" : 33,
            "207872" : 31,
            "209920" : 30,
            "211968" : 27,
            "214016" : 37,
            "216064" : 26,
            "218112" : 15,
            "220160" : 18,
            "222208" : 10,
            "224256" : 26,
            "226304" : 8,
            "228352" : 9,
            "230400" : 9,
            "232448" : 8,
            "234496" : 12,
            "236544" : 7,
            "238592" : 3,
            "240640" : 10,
            "242688" : 5,
            "244736" : 3,
            "246784" : 4,
            "248832" : 4,
            "250880" : 2,
            "252928" : 3,
            "254976" : 10,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 9,
            "268288" : 2,
            "272384" : 2,
            "276480" : 5,
            "280576" : 3,
            "301056" : 2,
            "305152" : 1,
            "313344" : 2,
            "370688" : 1,
            "374784" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1,
            "407552" : 1,
            "411648" : 1,
            "415744" : 3,
            "419840" : 1,
            "423936" : 4,
            "428032" : 1,
            "432128" : 1,
            "452608" : 1,
            "456704" : 1,
            "464896" : 1,
            "518144" : 1,
            "522240" : 2,
            "552960" : 2,
            "561152" : 3,
            "569344" : 1,
            "741376" : 3,
            "1368064" : 3,
            "1466368" : 3,
            "1482752" : 3,
            "1908736" : 2,
            "1925120" : 1,
            "2072576" : 2,
            "2088960" : 2,
            "2113536" : 2,
            "2146304" : 6,
            "2277376" : 3,
            "2342912" : 3,
            "2375680" : 3,
            "2768896" : 5,
            "2801664" : 4,
            "2867200" : 3,
            "3620864" : 1,
            "3653632" : 2,
            "4145152" : 2,
            "4177920" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 4190745,
          "mean" : 119979.546831,
          "stddev" : 17547.637541,
          "N" : 5310740
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132795.231975,
        "bw_dev" : 1138.899625,
        "bw_samples" : 319,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33198.780564,
        "iops_stddev" : 284.731765,
        "iops_samples" : 319
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 159999,
      "usr_cpu" : 5.560035,
      "sys_cpu" : 94.001838,
      "ctx" : 1880,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999981,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999981,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011223,
        "100" : 83.289130,
        "250" : 16.697161,
        "500" : 0.010000,
        "750" : 0.010000,
        "1000" : 0.000000
      },
      "latency_ms" : {
        "2" : 0.010000,
        "4" : 0.010000,
        "10" : 0.010000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842523,
  "timestamp_ms" : 1772842523594,
  "time" : "Fri Mar  6 20:15:23 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 10,
      "elapsed" : 181,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 23112552448,
        "io_kbytes" : 22570852,
        "bw_bytes" : 135956990,
        "bw" : 132770,
        "iops" : 33192.630545,
        "runtime" : 169999,
        "total_ios" : 5642714,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8974,
          "max" : 4093316,
          "mean" : 28405.950121,
          "stddev" : 7219.992383,
          "N" : 5642714
        },
        "clat_ns" : {
          "min" : 38008,
          "max" : 4163082,
          "mean" : 91571.534970,
          "stddev" : 14427.645575,
          "N" : 5642713,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 201728
          },
          "bins" : {
            "38144" : 1,
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 9,
            "41728" : 4,
            "42240" : 4,
            "42752" : 6,
            "43264" : 13,
            "43776" : 24,
            "44288" : 29,
            "44800" : 33,
            "45312" : 22,
            "45824" : 26,
            "46336" : 49,
            "46848" : 63,
            "47360" : 56,
            "47872" : 56,
            "48384" : 59,
            "48896" : 49,
            "49408" : 77,
            "49920" : 53,
            "50432" : 76,
            "50944" : 73,
            "51456" : 108,
            "51968" : 123,
            "52480" : 110,
            "52992" : 139,
            "53504" : 135,
            "54016" : 183,
            "54528" : 307,
            "55040" : 483,
            "55552" : 570,
            "56064" : 669,
            "56576" : 749,
            "57088" : 931,
            "57600" : 1229,
            "58112" : 1597,
            "58624" : 1928,
            "59136" : 2189,
            "59648" : 2007,
            "60160" : 1968,
            "60672" : 1920,
            "61184" : 2019,
            "61696" : 2172,
            "62208" : 2254,
            "62720" : 2289,
            "63232" : 2326,
            "63744" : 2523,
            "64256" : 2476,
            "64768" : 2787,
            "65280" : 3098,
            "66048" : 7937,
            "67072" : 10777,
            "68096" : 15485,
            "69120" : 27045,
            "70144" : 40674,
            "71168" : 45056,
            "72192" : 46764,
            "73216" : 50699,
            "74240" : 54661,
            "75264" : 57007,
            "76288" : 60127,
            "77312" : 61814,
            "78336" : 64064,
            "79360" : 78932,
            "80384" : 115723,
            "81408" : 159930,
            "82432" : 185781,
            "83456" : 199831,
            "84480" : 218306,
            "85504" : 225337,
            "86528" : 229153,
            "87552" : 236856,
            "88576" : 254236,
            "89600" : 263280,
            "90624" : 269326,
            "91648" : 267449,
            "92672" : 260974,
            "93696" : 241034,
            "94720" : 217469,
            "95744" : 192925,
            "96768" : 168802,
            "97792" : 143069,
            "98816" : 122194,
            "99840" : 103831,
            "100864" : 88317,
            "101888" : 74776,
            "102912" : 64412,
            "103936" : 56154,
            "104960" : 49729,
            "105984" : 44273,
            "107008" : 40057,
            "108032" : 36725,
            "109056" : 34354,
            "110080" : 31220,
            "111104" : 29526,
            "112128" : 27452,
            "113152" : 25776,
            "114176" : 23678,
            "115200" : 22114,
            "116224" : 20394,
            "117248" : 19332,
            "118272" : 17980,
            "119296" : 16592,
            "120320" : 15273,
            "121344" : 14170,
            "122368" : 13356,
            "123392" : 12157,
            "124416" : 11266,
            "125440" : 10415,
            "126464" : 9619,
            "127488" : 8916,
            "128512" : 8022,
            "129536" : 7358,
            "130560" : 6813,
            "132096" : 11904,
            "134144" : 9998,
            "136192" : 8462,
            "138240" : 6743,
            "140288" : 5451,
            "142336" : 4281,
            "144384" : 3255,
            "146432" : 2486,
            "148480" : 1885,
            "150528" : 1561,
            "152576" : 1268,
            "154624" : 1104,
            "156672" : 869,
            "158720" : 774,
            "160768" : 662,
            "162816" : 602,
            "164864" : 534,
            "166912" : 464,
            "168960" : 387,
            "171008" : 354,
            "173056" : 322,
            "175104" : 277,
            "177152" : 242,
            "179200" : 204,
            "181248" : 182,
            "183296" : 157,
            "185344" : 165,
            "187392" : 144,
            "189440" : 118,
            "191488" : 98,
            "193536" : 84,
            "195584" : 74,
            "197632" : 80,
            "199680" : 61,
            "201728" : 60,
            "203776" : 44,
            "205824" : 38,
            "207872" : 32,
            "209920" : 33,
            "211968" : 31,
            "214016" : 41,
            "216064" : 28,
            "218112" : 15,
            "220160" : 18,
            "222208" : 11,
            "224256" : 26,
            "226304" : 10,
            "228352" : 9,
            "230400" : 9,
            "232448" : 10,
            "234496" : 13,
            "236544" : 7,
            "238592" : 3,
            "240640" : 10,
            "242688" : 5,
            "244736" : 3,
            "246784" : 6,
            "248832" : 4,
            "250880" : 2,
            "252928" : 3,
            "254976" : 10,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 9,
            "268288" : 2,
            "272384" : 2,
            "276480" : 5,
            "280576" : 3,
            "301056" : 2,
            "305152" : 1,
            "313344" : 2,
            "370688" : 1,
            "374784" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1,
            "407552" : 1,
            "411648" : 1,
            "415744" : 3,
            "419840" : 1,
            "423936" : 4,
            "428032" : 1,
            "432128" : 1,
            "452608" : 1,
            "456704" : 1,
            "464896" : 1,
            "518144" : 1,
            "522240" : 2,
            "552960" : 2,
            "561152" : 3,
            "569344" : 1,
            "724992" : 1,
            "733184" : 2,
            "741376" : 3,
            "905216" : 3,
            "1368064" : 3,
            "1466368" : 3,
            "1482752" : 3,
            "1908736" : 2,
            "1925120" : 1,
            "1957888" : 3,
            "2072576" : 2,
            "2088960" : 2,
            "2113536" : 2,
            "2146304" : 6,
            "2277376" : 3,
            "2342912" : 3,
            "2375680" : 3,
            "2768896" : 5,
            "2801664" : 4,
            "2867200" : 3,
            "3620864" : 1,
            "3653632" : 2,
            "4145152" : 2,
            "4177920" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 4190745,
          "mean" : 119977.487002,
          "stddev" : 17499.796537,
          "N" : 5642713
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132799.536873,
        "bw_dev" : 1134.400906,
        "bw_samples" : 339,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33199.855457,
        "iops_stddev" : 283.604420,
        "iops_samples" : 339
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 169999,
      "usr_cpu" : 5.574150,
      "sys_cpu" : 93.987612,
      "ctx" : 2027,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999982,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999982,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011112,
        "100" : 83.333694,
        "250" : 16.652696,
        "500" : 0.010000,
        "750" : 0.010000,
        "1000" : 0.010000
      },
      "latency_ms" : {
        "2" : 0.010000,
        "4" : 0.010000,
        "10" : 0.010000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842533,
  "timestamp_ms" : 1772842533594,
  "time" : "Fri Mar  6 20:15:33 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 0,
      "elapsed" : 191,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 24469868544,
        "io_kbytes" : 23896356,
        "bw_bytes" : 135944469,
        "bw" : 132758,
        "iops" : 33189.573275,
        "runtime" : 179999,
        "total_ios" : 5974090,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8903,
          "max" : 4093316,
          "mean" : 28408.692922,
          "stddev" : 7188.318654,
          "N" : 5974090
        },
        "clat_ns" : {
          "min" : 38008,
          "max" : 4163082,
          "mean" : 91579.628077,
          "stddev" : 14383.571629,
          "N" : 5974089,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 201728
          },
          "bins" : {
            "38144" : 1,
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 10,
            "41728" : 4,
            "42240" : 5,
            "42752" : 6,
            "43264" : 13,
            "43776" : 27,
            "44288" : 30,
            "44800" : 36,
            "45312" : 25,
            "45824" : 31,
            "46336" : 50,
            "46848" : 67,
            "47360" : 59,
            "47872" : 58,
            "48384" : 65,
            "48896" : 51,
            "49408" : 82,
            "49920" : 57,
            "50432" : 78,
            "50944" : 83,
            "51456" : 109,
            "51968" : 128,
            "52480" : 116,
            "52992" : 145,
            "53504" : 143,
            "54016" : 199,
            "54528" : 317,
            "55040" : 513,
            "55552" : 605,
            "56064" : 700,
            "56576" : 790,
            "57088" : 976,
            "57600" : 1292,
            "58112" : 1683,
            "58624" : 2028,
            "59136" : 2307,
            "59648" : 2140,
            "60160" : 2109,
            "60672" : 2025,
            "61184" : 2163,
            "61696" : 2299,
            "62208" : 2364,
            "62720" : 2405,
            "63232" : 2457,
            "63744" : 2673,
            "64256" : 2621,
            "64768" : 2957,
            "65280" : 3303,
            "66048" : 8390,
            "67072" : 11409,
            "68096" : 16363,
            "69120" : 28556,
            "70144" : 43112,
            "71168" : 47710,
            "72192" : 49599,
            "73216" : 53705,
            "74240" : 57806,
            "75264" : 60295,
            "76288" : 63545,
            "77312" : 65395,
            "78336" : 67803,
            "79360" : 83364,
            "80384" : 122403,
            "81408" : 169248,
            "82432" : 197091,
            "83456" : 211892,
            "84480" : 231308,
            "85504" : 238793,
            "86528" : 242780,
            "87552" : 250618,
            "88576" : 268797,
            "89600" : 278380,
            "90624" : 284563,
            "91648" : 282859,
            "92672" : 275883,
            "93696" : 254950,
            "94720" : 230145,
            "95744" : 204210,
            "96768" : 178856,
            "97792" : 151653,
            "98816" : 129382,
            "99840" : 109942,
            "100864" : 93650,
            "101888" : 79241,
            "102912" : 68160,
            "103936" : 59548,
            "104960" : 52646,
            "105984" : 46862,
            "107008" : 42340,
            "108032" : 38936,
            "109056" : 36422,
            "110080" : 33108,
            "111104" : 31359,
            "112128" : 29138,
            "113152" : 27305,
            "114176" : 25149,
            "115200" : 23483,
            "116224" : 21695,
            "117248" : 20513,
            "118272" : 19121,
            "119296" : 17568,
            "120320" : 16215,
            "121344" : 15051,
            "122368" : 14172,
            "123392" : 12917,
            "124416" : 11958,
            "125440" : 11073,
            "126464" : 10200,
            "127488" : 9486,
            "128512" : 8530,
            "129536" : 7758,
            "130560" : 7219,
            "132096" : 12605,
            "134144" : 10586,
            "136192" : 8968,
            "138240" : 7161,
            "140288" : 5828,
            "142336" : 4558,
            "144384" : 3494,
            "146432" : 2638,
            "148480" : 2015,
            "150528" : 1688,
            "152576" : 1375,
            "154624" : 1170,
            "156672" : 925,
            "158720" : 835,
            "160768" : 714,
            "162816" : 653,
            "164864" : 570,
            "166912" : 492,
            "168960" : 417,
            "171008" : 381,
            "173056" : 340,
            "175104" : 299,
            "177152" : 256,
            "179200" : 220,
            "181248" : 192,
            "183296" : 169,
            "185344" : 167,
            "187392" : 153,
            "189440" : 122,
            "191488" : 109,
            "193536" : 89,
            "195584" : 77,
            "197632" : 84,
            "199680" : 62,
            "201728" : 61,
            "203776" : 47,
            "205824" : 39,
            "207872" : 34,
            "209920" : 35,
            "211968" : 31,
            "214016" : 43,
            "216064" : 29,
            "218112" : 15,
            "220160" : 20,
            "222208" : 11,
            "224256" : 26,
            "226304" : 10,
            "228352" : 9,
            "230400" : 9,
            "232448" : 11,
            "234496" : 13,
            "236544" : 7,
            "238592" : 3,
            "240640" : 10,
            "242688" : 5,
            "244736" : 3,
            "246784" : 6,
            "248832" : 4,
            "250880" : 2,
            "252928" : 3,
            "254976" : 10,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 9,
            "268288" : 2,
            "272384" : 2,
            "276480" : 5,
            "280576" : 3,
            "301056" : 2,
            "305152" : 1,
            "313344" : 2,
            "370688" : 1,
            "374784" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1,
            "407552" : 1,
            "411648" : 1,
            "415744" : 3,
            "419840" : 1,
            "423936" : 4,
            "428032" : 1,
            "432128" : 1,
            "452608" : 1,
            "456704" : 1,
            "464896" : 1,
            "485376" : 4,
            "505856" : 2,
            "518144" : 1,
            "522240" : 2,
            "552960" : 4,
            "561152" : 4,
            "569344" : 1,
            "724992" : 1,
            "733184" : 2,
            "741376" : 3,
            "905216" : 3,
            "1368064" : 3,
            "1466368" : 3,
            "1482752" : 3,
            "1712128" : 2,
            "1728512" : 1,
            "1908736" : 2,
            "1925120" : 1,
            "1957888" : 3,
            "2072576" : 2,
            "2088960" : 2,
            "2113536" : 2,
            "2146304" : 6,
            "2277376" : 3,
            "2342912" : 3,
            "2375680" : 3,
            "2768896" : 5,
            "2801664" : 4,
            "2867200" : 3,
            "3620864" : 1,
            "3653632" : 2,
            "4145152" : 2,
            "4177920" : 1
          }
        },
        "lat_ns" : {
          "min" : 56957,
          "max" : 4190745,
          "mean" : 119988.320992,
          "stddev" : 17453.261082,
          "N" : 5974089
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132787.671309,
        "bw_dev" : 1129.757384,
        "bw_samples" : 359,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33196.888579,
        "iops_stddev" : 282.442339,
        "iops_samples" : 359
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 179999,
      "usr_cpu" : 5.581142,
      "sys_cpu" : 93.981078,
      "ctx" : 2163,
      "majf" : 0,
      "minf" : 35,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 99.999983,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 99.999983,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011215,
        "100" : 83.307349,
        "250" : 16.678875,
        "500" : 0.010000,
        "750" : 0.010000,
        "1000" : 0.010000
      },
      "latency_ms" : {
        "2" : 0.010000,
        "4" : 0.010000,
        "10" : 0.010000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}
{
  "fio version" : "fio-3.35",
  "timestamp" : 1772842533,
  "timestamp_ms" : 1772842533629,
  "time" : "Fri Mar  6 20:15:33 2026",
  "global options" : {
    "ioengine" : "libaio",
    "direct" : "1",
    "directory" : "/tank-mirror/bench",
    "size" : "64G",
    "runtime" : "180",
    "time_based" : "1",
    "ramp_time" : "10",
    "group_reporting" : "1",
    "filename_format" : "fiofile.$jobnum"
  },
  "jobs" : [
    {
      "jobname" : "rand-write-qd4-nj1",
      "groupid" : 0,
      "error" : 0,
      "eta" : 0,
      "elapsed" : 191,
      "job options" : {
        "rw" : "randwrite",
        "bs" : "4k",
        "iodepth" : "4",
        "numjobs" : "1"
      },
      "read" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "write" : {
        "io_bytes" : 24469942272,
        "io_kbytes" : 23896428,
        "bw_bytes" : 135942613,
        "bw" : 132756,
        "iops" : 33189.092343,
        "runtime" : 180002,
        "total_ios" : 5974103,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 8903,
          "max" : 4093316,
          "mean" : 28408.694714,
          "stddev" : 7188.315852,
          "N" : 5974104
        },
        "clat_ns" : {
          "min" : 3485,
          "max" : 4163082,
          "mean" : 91579.610823,
          "stddev" : 14383.622620,
          "N" : 5974106,
          "percentile" : {
            "1.000000" : 67072,
            "5.000000" : 73216,
            "10.000000" : 78336,
            "20.000000" : 83456,
            "30.000000" : 85504,
            "40.000000" : 88576,
            "50.000000" : 90624,
            "60.000000" : 92672,
            "70.000000" : 94720,
            "80.000000" : 98816,
            "90.000000" : 105984,
            "95.000000" : 114176,
            "99.000000" : 132096,
            "99.500000" : 140288,
            "99.900000" : 160768,
            "99.950000" : 171008,
            "99.990000" : 201728
          },
          "bins" : {
            "3472" : 1,
            "38144" : 1,
            "38656" : 1,
            "39168" : 1,
            "40192" : 4,
            "40704" : 5,
            "41216" : 10,
            "41728" : 4,
            "42240" : 5,
            "42752" : 6,
            "43264" : 13,
            "43776" : 27,
            "44288" : 30,
            "44800" : 36,
            "45312" : 25,
            "45824" : 32,
            "46336" : 50,
            "46848" : 67,
            "47360" : 59,
            "47872" : 58,
            "48384" : 65,
            "48896" : 51,
            "49408" : 82,
            "49920" : 57,
            "50432" : 78,
            "50944" : 83,
            "51456" : 109,
            "51968" : 128,
            "52480" : 116,
            "52992" : 145,
            "53504" : 143,
            "54016" : 199,
            "54528" : 317,
            "55040" : 513,
            "55552" : 605,
            "56064" : 700,
            "56576" : 790,
            "57088" : 976,
            "57600" : 1292,
            "58112" : 1683,
            "58624" : 2028,
            "59136" : 2307,
            "59648" : 2140,
            "60160" : 2109,
            "60672" : 2025,
            "61184" : 2163,
            "61696" : 2299,
            "62208" : 2364,
            "62720" : 2405,
            "63232" : 2457,
            "63744" : 2673,
            "64256" : 2621,
            "64768" : 2957,
            "65280" : 3303,
            "66048" : 8390,
            "67072" : 11409,
            "68096" : 16363,
            "69120" : 28556,
            "70144" : 43112,
            "71168" : 47710,
            "72192" : 49599,
            "73216" : 53706,
            "74240" : 57807,
            "75264" : 60295,
            "76288" : 63545,
            "77312" : 65396,
            "78336" : 67803,
            "79360" : 83364,
            "80384" : 122403,
            "81408" : 169248,
            "82432" : 197091,
            "83456" : 211893,
            "84480" : 231308,
            "85504" : 238793,
            "86528" : 242780,
            "87552" : 250619,
            "88576" : 268797,
            "89600" : 278380,
            "90624" : 284563,
            "91648" : 282860,
            "92672" : 275884,
            "93696" : 254951,
            "94720" : 230146,
            "95744" : 204210,
            "96768" : 178857,
            "97792" : 151654,
            "98816" : 129382,
            "99840" : 109942,
            "100864" : 93650,
            "101888" : 79241,
            "102912" : 68160,
            "103936" : 59548,
            "104960" : 52647,
            "105984" : 46862,
            "107008" : 42340,
            "108032" : 38936,
            "109056" : 36422,
            "110080" : 33108,
            "111104" : 31361,
            "112128" : 29138,
            "113152" : 27305,
            "114176" : 25150,
            "115200" : 23483,
            "116224" : 21695,
            "117248" : 20513,
            "118272" : 19121,
            "119296" : 17568,
            "120320" : 16215,
            "121344" : 15051,
            "122368" : 14172,
            "123392" : 12917,
            "124416" : 11958,
            "125440" : 11073,
            "126464" : 10200,
            "127488" : 9486,
            "128512" : 8530,
            "129536" : 7758,
            "130560" : 7219,
            "132096" : 12605,
            "134144" : 10586,
            "136192" : 8968,
            "138240" : 7161,
            "140288" : 5828,
            "142336" : 4558,
            "144384" : 3494,
            "146432" : 2638,
            "148480" : 2015,
            "150528" : 1688,
            "152576" : 1375,
            "154624" : 1170,
            "156672" : 925,
            "158720" : 835,
            "160768" : 714,
            "162816" : 653,
            "164864" : 570,
            "166912" : 492,
            "168960" : 417,
            "171008" : 381,
            "173056" : 340,
            "175104" : 299,
            "177152" : 256,
            "179200" : 220,
            "181248" : 192,
            "183296" : 169,
            "185344" : 167,
            "187392" : 153,
            "189440" : 122,
            "191488" : 109,
            "193536" : 89,
            "195584" : 77,
            "197632" : 84,
            "199680" : 62,
            "201728" : 61,
            "203776" : 47,
            "205824" : 39,
            "207872" : 34,
            "209920" : 35,
            "211968" : 31,
            "214016" : 43,
            "216064" : 29,
            "218112" : 15,
            "220160" : 20,
            "222208" : 11,
            "224256" : 26,
            "226304" : 10,
            "228352" : 9,
            "230400" : 9,
            "232448" : 11,
            "234496" : 13,
            "236544" : 7,
            "238592" : 3,
            "240640" : 10,
            "242688" : 5,
            "244736" : 3,
            "246784" : 6,
            "248832" : 4,
            "250880" : 2,
            "252928" : 3,
            "254976" : 10,
            "257024" : 3,
            "259072" : 2,
            "261120" : 1,
            "264192" : 9,
            "268288" : 2,
            "272384" : 2,
            "276480" : 5,
            "280576" : 3,
            "301056" : 2,
            "305152" : 1,
            "313344" : 2,
            "370688" : 1,
            "374784" : 2,
            "382976" : 1,
            "391168" : 1,
            "395264" : 1,
            "407552" : 1,
            "411648" : 1,
            "415744" : 3,
            "419840" : 1,
            "423936" : 4,
            "428032" : 1,
            "432128" : 1,
            "452608" : 1,
            "456704" : 1,
            "464896" : 1,
            "485376" : 4,
            "505856" : 2,
            "518144" : 1,
            "522240" : 2,
            "552960" : 4,
            "561152" : 4,
            "569344" : 1,
            "724992" : 1,
            "733184" : 2,
            "741376" : 3,
            "905216" : 3,
            "1368064" : 3,
            "1466368" : 3,
            "1482752" : 3,
            "1712128" : 2,
            "1728512" : 1,
            "1908736" : 2,
            "1925120" : 1,
            "1957888" : 3,
            "2072576" : 2,
            "2088960" : 2,
            "2113536" : 2,
            "2146304" : 6,
            "2277376" : 3,
            "2342912" : 3,
            "2375680" : 3,
            "2768896" : 5,
            "2801664" : 4,
            "2867200" : 3,
            "3620864" : 1,
            "3653632" : 2,
            "4145152" : 2,
            "4177920" : 1
          }
        },
        "lat_ns" : {
          "min" : 43727,
          "max" : 4190745,
          "mean" : 119988.306161,
          "stddev" : 17453.287423,
          "N" : 5974106
        },
        "bw_min" : 128384,
        "bw_max" : 135480,
        "bw_agg" : 100.000000,
        "bw_mean" : 132787.305556,
        "bw_dev" : 1128.204152,
        "bw_samples" : 360,
        "iops_min" : 32096,
        "iops_max" : 33870,
        "iops_mean" : 33196.797222,
        "iops_stddev" : 282.054017,
        "iops_samples" : 360
      },
      "trim" : {
        "io_bytes" : 0,
        "io_kbytes" : 0,
        "bw_bytes" : 0,
        "bw" : 0,
        "iops" : 0.000000,
        "runtime" : 0,
        "total_ios" : 0,
        "short_ios" : 0,
        "drop_ios" : 0,
        "slat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "clat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        },
        "bw_min" : 0,
        "bw_max" : 0,
        "bw_agg" : 0.000000,
        "bw_mean" : 0.000000,
        "bw_dev" : 0.000000,
        "bw_samples" : 0,
        "iops_min" : 0,
        "iops_max" : 0,
        "iops_mean" : 0.000000,
        "iops_stddev" : 0.000000,
        "iops_samples" : 0
      },
      "sync" : {
        "total_ios" : 0,
        "lat_ns" : {
          "min" : 0,
          "max" : 0,
          "mean" : 0.000000,
          "stddev" : 0.000000,
          "N" : 0
        }
      },
      "job_runtime" : 180001,
      "usr_cpu" : 5.581080,
      "sys_cpu" : 93.980589,
      "ctx" : 2164,
      "majf" : 0,
      "minf" : 36,
      "iodepth_level" : {
        "1" : 0.000000,
        "2" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_submit" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "iodepth_complete" : {
        "0" : 0.000000,
        "4" : 100.000000,
        "8" : 0.000000,
        "16" : 0.000000,
        "32" : 0.000000,
        "64" : 0.000000,
        ">=64" : 0.000000
      },
      "latency_ns" : {
        "2" : 0.000000,
        "4" : 0.000000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000
      },
      "latency_us" : {
        "2" : 0.000000,
        "4" : 0.010000,
        "10" : 0.000000,
        "20" : 0.000000,
        "50" : 0.011232,
        "100" : 83.307352,
        "250" : 16.678906,
        "500" : 0.010000,
        "750" : 0.010000,
        "1000" : 0.010000
      },
      "latency_ms" : {
        "2" : 0.010000,
        "4" : 0.010000,
        "10" : 0.010000,
        "20" : 0.000000,
        "50" : 0.000000,
        "100" : 0.000000,
        "250" : 0.000000,
        "500" : 0.000000,
        "750" : 0.000000,
        "1000" : 0.000000,
        "2000" : 0.000000,
        ">=2000" : 0.000000
      },
      "latency_depth" : 4,
      "latency_target" : 0,
      "latency_percentile" : 100.000000,
      "latency_window" : 0
    }
  ]
}