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=1233: Sun Jun  7 20:42:59 2026
  write: IOPS=159k, BW=622MiB/s (652MB/s)(36.5GiB/60135msec)
    clat (usec): min=2, max=2334, avg= 2.96, stdev= 2.22
     lat (usec): min=2, max=2334, avg= 3.01, stdev= 2.23
    clat percentiles (nsec):
     |  1.00th=[ 2416],  5.00th=[ 2480], 10.00th=[ 2512], 20.00th=[ 2576],
     | 30.00th=[ 2608], 40.00th=[ 2640], 50.00th=[ 2704], 60.00th=[ 2736],
     | 70.00th=[ 2800], 80.00th=[ 2864], 90.00th=[ 3024], 95.00th=[ 3856],
     | 99.00th=[ 9280], 99.50th=[11072], 99.90th=[14784], 99.95th=[17792],
     | 99.99th=[50944]
   bw (  KiB/s): min=289368, max=907648, per=24.94%, avg=637713.02, stdev=116411.58, samples=120
   iops        : min=72342, max=226912, avg=159428.21, stdev=29102.90, samples=120
  lat (usec)   : 4=95.12%, 10=4.13%, 20=0.72%, 50=0.02%, 100=0.01%
  lat (usec)   : 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 4=0.01%
  cpu          : usr=7.71%, sys=74.17%, ctx=5106, majf=0, minf=6
  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=0,9568257,0,0 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=1234: Sun Jun  7 20:42:59 2026
  write: IOPS=161k, BW=627MiB/s (658MB/s)(36.8GiB/60143msec)
    clat (usec): min=2, max=1177, avg= 2.94, stdev= 2.19
     lat (usec): min=2, max=1177, avg= 2.99, stdev= 2.19
    clat percentiles (nsec):
     |  1.00th=[ 2416],  5.00th=[ 2448], 10.00th=[ 2480], 20.00th=[ 2544],
     | 30.00th=[ 2576], 40.00th=[ 2608], 50.00th=[ 2672], 60.00th=[ 2704],
     | 70.00th=[ 2768], 80.00th=[ 2832], 90.00th=[ 2992], 95.00th=[ 4016],
     | 99.00th=[ 9152], 99.50th=[10944], 99.90th=[14784], 99.95th=[17536],
     | 99.99th=[42240]
   bw (  KiB/s): min=388392, max=924712, per=25.15%, avg=643049.93, stdev=116205.77, samples=119
   iops        : min=97098, max=231178, avg=160762.42, stdev=29051.45, samples=119
  lat (usec)   : 4=94.98%, 10=4.30%, 20=0.69%, 50=0.02%, 100=0.01%
  lat (usec)   : 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=7.81%, sys=74.27%, ctx=4831, majf=0, minf=6
  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=0,9656788,0,0 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=1235: Sun Jun  7 20:42:59 2026
  write: IOPS=161k, BW=629MiB/s (660MB/s)(37.0GiB/60209msec)
    clat (usec): min=2, max=970, avg= 2.92, stdev= 1.99
     lat (usec): min=2, max=970, avg= 2.97, stdev= 1.99
    clat percentiles (nsec):
     |  1.00th=[ 2416],  5.00th=[ 2448], 10.00th=[ 2480], 20.00th=[ 2544],
     | 30.00th=[ 2576], 40.00th=[ 2608], 50.00th=[ 2640], 60.00th=[ 2704],
     | 70.00th=[ 2736], 80.00th=[ 2832], 90.00th=[ 2992], 95.00th=[ 4080],
     | 99.00th=[ 9024], 99.50th=[10944], 99.90th=[14656], 99.95th=[17536],
     | 99.99th=[38144]
   bw (  KiB/s): min=502720, max=916376, per=25.28%, avg=646436.32, stdev=119778.64, samples=120
   iops        : min=125680, max=229094, avg=161609.04, stdev=29944.67, samples=120
  lat (usec)   : 4=94.87%, 10=4.43%, 20=0.66%, 50=0.02%, 100=0.01%
  lat (usec)   : 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  cpu          : usr=7.83%, sys=74.00%, ctx=5207, 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=0,9699329,0,0 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=1236: Sun Jun  7 20:42:59 2026
  write: IOPS=159k, BW=623MiB/s (653MB/s)(36.5GiB/60034msec)
    clat (usec): min=2, max=1250, avg= 2.96, stdev= 2.18
     lat (usec): min=2, max=1250, avg= 3.01, stdev= 2.18
    clat percentiles (nsec):
     |  1.00th=[ 2416],  5.00th=[ 2448], 10.00th=[ 2512], 20.00th=[ 2544],
     | 30.00th=[ 2576], 40.00th=[ 2640], 50.00th=[ 2672], 60.00th=[ 2736],
     | 70.00th=[ 2768], 80.00th=[ 2864], 90.00th=[ 3024], 95.00th=[ 4192],
     | 99.00th=[ 9280], 99.50th=[11200], 99.90th=[15040], 99.95th=[18048],
     | 99.99th=[41728]
   bw (  KiB/s): min=324576, max=912600, per=24.97%, avg=638660.56, stdev=115198.49, samples=119
   iops        : min=81144, max=228150, avg=159665.10, stdev=28799.64, samples=119
  lat (usec)   : 4=94.72%, 10=4.52%, 20=0.72%, 50=0.02%, 100=0.01%
  lat (usec)   : 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=7.79%, sys=74.22%, ctx=5248, majf=0, minf=5
  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=0,9568257,0,0 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=2497MiB/s (2619MB/s), 622MiB/s-629MiB/s (652MB/s-660MB/s), io=147GiB (158GB), run=60034-60209msec

Disk stats (read/write):
  vda: ios=49/328595, sectors=5968/307732312, merge=659/348, ticks=20/6891953, in_queue=6891973, util=81.75%
