random-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=4
...
fio-3.42
Starting 4 processes
random-write: Laying out IO file (1 file / 256MiB)
random-write: Laying out IO file (1 file / 256MiB)
random-write: Laying out IO file (1 file / 256MiB)
random-write: Laying out IO file (1 file / 256MiB)
note: both iodepth >= 1 and synchronous I/O engine are selected, queue depth will be capped at 1
note: both iodepth >= 1 and synchronous I/O engine are selected, queue depth will be capped at 1
note: both iodepth >= 1 and synchronous I/O engine are selected, queue depth will be capped at 1
note: both iodepth >= 1 and synchronous I/O engine are selected, queue depth will be capped at 1

random-write: (groupid=0, jobs=1): err= 0: pid=1277: Sun Jun  7 20:55:04 2026
  write: IOPS=181k, BW=705MiB/s (740MB/s)(41.6GiB/60414msec)
    clat (nsec): min=1787, max=21244k, avg=4096.72, stdev=14848.01
     lat (nsec): min=1873, max=21244k, avg=4196.89, stdev=14972.51
    clat percentiles (nsec):
     |  1.00th=[ 2040],  5.00th=[ 2192], 10.00th=[ 2320], 20.00th=[ 2608],
     | 30.00th=[ 3024], 40.00th=[ 3376], 50.00th=[ 3824], 60.00th=[ 4320],
     | 70.00th=[ 4704], 80.00th=[ 5024], 90.00th=[ 5408], 95.00th=[ 5728],
     | 99.00th=[10944], 99.50th=[16192], 99.90th=[31104], 99.95th=[39168],
     | 99.99th=[63232]
   bw (  KiB/s): min=442888, max=1001357, per=24.55%, avg=727507.13, stdev=107828.69, samples=119
   iops        : min=110722, max=250339, avg=181876.73, stdev=26957.15, samples=119
  lat (usec)   : 2=0.45%, 4=53.25%, 10=45.18%, 20=0.80%, 50=0.30%
  lat (usec)   : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%, 50=0.01%
  cpu          : usr=19.26%, sys=76.20%, ctx=1057, majf=0, minf=7
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,10909069,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0.00ns, window=0.00ns, percentile=100.00%, depth=4
random-write: (groupid=0, jobs=1): err= 0: pid=1278: Sun Jun  7 20:55:04 2026
  write: IOPS=188k, BW=736MiB/s (772MB/s)(43.4GiB/60409msec)
    clat (nsec): min=1779, max=16950k, avg=3835.98, stdev=14751.61
     lat (nsec): min=1867, max=16950k, avg=3934.95, stdev=14819.49
    clat percentiles (nsec):
     |  1.00th=[ 1976],  5.00th=[ 2160], 10.00th=[ 2320], 20.00th=[ 2640],
     | 30.00th=[ 3024], 40.00th=[ 3312], 50.00th=[ 3600], 60.00th=[ 3888],
     | 70.00th=[ 4128], 80.00th=[ 4448], 90.00th=[ 4832], 95.00th=[ 5280],
     | 99.00th=[11968], 99.50th=[16512], 99.90th=[27520], 99.95th=[32384],
     | 99.99th=[47360]
   bw (  KiB/s): min=523241, max=984550, per=25.63%, avg=759522.28, stdev=109650.79, samples=119
   iops        : min=130810, max=246137, avg=189880.50, stdev=27412.71, samples=119
  lat (usec)   : 2=1.28%, 4=62.90%, 10=34.49%, 20=1.03%, 50=0.30%
  lat (usec)   : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%
  cpu          : usr=21.32%, sys=73.84%, ctx=648, majf=0, minf=8
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,11380250,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0.00ns, window=0.00ns, percentile=100.00%, depth=4
random-write: (groupid=0, jobs=1): err= 0: pid=1279: Sun Jun  7 20:55:04 2026
  write: IOPS=188k, BW=734MiB/s (769MB/s)(43.3GiB/60443msec)
    clat (nsec): min=1776, max=8243.9k, avg=3848.64, stdev=9257.38
     lat (nsec): min=1861, max=8244.0k, avg=3946.66, stdev=9338.11
    clat percentiles (nsec):
     |  1.00th=[ 1992],  5.00th=[ 2192], 10.00th=[ 2320], 20.00th=[ 2640],
     | 30.00th=[ 3024], 40.00th=[ 3344], 50.00th=[ 3632], 60.00th=[ 3920],
     | 70.00th=[ 4192], 80.00th=[ 4448], 90.00th=[ 4832], 95.00th=[ 5280],
     | 99.00th=[12480], 99.50th=[17280], 99.90th=[27776], 99.95th=[32384],
     | 99.99th=[46848]
   bw (  KiB/s): min=524288, max=1023752, per=25.58%, avg=758035.08, stdev=100004.59, samples=119
   iops        : min=131072, max=255938, avg=189508.71, stdev=25001.15, samples=119
  lat (usec)   : 2=1.08%, 4=61.69%, 10=35.81%, 20=1.08%, 50=0.33%
  lat (usec)   : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%
  cpu          : usr=19.45%, sys=76.02%, ctx=783, majf=0, minf=7
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,11352056,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0.00ns, window=0.00ns, percentile=100.00%, depth=4
random-write: (groupid=0, jobs=1): err= 0: pid=1280: Sun Jun  7 20:55:04 2026
  write: IOPS=186k, BW=725MiB/s (760MB/s)(42.5GiB/60035msec)
    clat (nsec): min=1754, max=9296.1k, avg=3930.03, stdev=11679.46
     lat (nsec): min=1848, max=9296.2k, avg=4029.01, stdev=11716.62
    clat percentiles (nsec):
     |  1.00th=[ 2008],  5.00th=[ 2192], 10.00th=[ 2320], 20.00th=[ 2640],
     | 30.00th=[ 3024], 40.00th=[ 3344], 50.00th=[ 3664], 60.00th=[ 3984],
     | 70.00th=[ 4256], 80.00th=[ 4640], 90.00th=[ 5088], 95.00th=[ 5600],
     | 99.00th=[11840], 99.50th=[16512], 99.90th=[28288], 99.95th=[34560],
     | 99.99th=[51968]
   bw (  KiB/s): min=505608, max=1029764, per=25.09%, avg=743707.88, stdev=102258.80, samples=119
   iops        : min=126402, max=257441, avg=185926.91, stdev=25564.69, samples=119
  lat (usec)   : 2=0.84%, 4=59.77%, 10=38.04%, 20=1.05%, 50=0.29%
  lat (usec)   : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%
  cpu          : usr=19.50%, sys=76.09%, ctx=437, majf=0, minf=7
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,11141121,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0.00ns, window=0.00ns, percentile=100.00%, depth=4

Run status group 0 (all jobs):
  WRITE: bw=2894MiB/s (3035MB/s), 705MiB/s-736MiB/s (740MB/s-772MB/s), io=171GiB (183GB), run=60035-60443msec

Disk stats (read/write):
  vda: ios=2/92297, sectors=656/358062904, merge=0/165, ticks=2/1656428, in_queue=1656430, util=56.21%
