TEST: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1
fio-3.40
Starting 1 process

TEST: (groupid=0, jobs=1): err= 0: pid=2611: Mon Jan 19 06:27:15 2026
  write: IOPS=619, BW=2479KiB/s (2539kB/s)(72.6MiB/30005msec); 0 zone resets
    slat (usec): min=6, max=261, avg=50.13, stdev=32.20
    clat (usec): min=5, max=542748, avg=1556.20, stdev=7749.37
     lat (usec): min=28, max=542815, avg=1606.33, stdev=7755.58
    clat percentiles (usec):
     |  1.00th=[    35],  5.00th=[    36], 10.00th=[    36], 20.00th=[    37],
     | 30.00th=[    40], 40.00th=[    43], 50.00th=[    62], 60.00th=[    65],
     | 70.00th=[   151], 80.00th=[  4359], 90.00th=[  4621], 95.00th=[  4817],
     | 99.00th=[  5669], 99.50th=[  6652], 99.90th=[ 16450], 99.95th=[ 66323],
     | 99.99th=[392168]
   bw (  KiB/s): min=   16, max= 3416, per=100.00%, avg=2491.97, stdev=822.28, samples=59
   iops        : min=    4, max=  854, avg=622.80, stdev=205.55, samples=59
  lat (usec)   : 10=0.08%, 20=0.03%, 50=45.28%, 100=24.47%, 250=0.16%
  lat (usec)   : 500=0.08%, 750=0.18%, 1000=0.04%
  lat (msec)   : 4=0.89%, 10=28.61%, 20=0.13%, 100=0.01%, 250=0.02%
  lat (msec)   : 500=0.02%, 750=0.01%
  cpu          : usr=1.04%, sys=3.11%, ctx=24068, majf=0, minf=36
  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=0,18596,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
  WRITE: bw=2479KiB/s (2539kB/s), 2479KiB/s-2479KiB/s (2539kB/s-2539kB/s), io=72.6MiB (76.2MB), run=30005-30005msec

Disk stats (read/write):
    dm-0: ios=0/21489, sectors=0/171862, merge=0/0, ticks=0/33476, in_queue=33476, util=95.28%, aggrios=6453/21490, aggsectors=51624/171870, aggrmerge=0/0, aggrticks=1127/2044, aggrin_queue=3171, aggrutil=6.54%
    dm-6: ios=6453/21490, sectors=51624/171870, merge=0/0, ticks=1127/2044, in_queue=3171, util=6.54%, aggrios=6453/34428, aggsectors=51624/275430, aggrmerge=0/7, aggrticks=1368/31445, aggrin_queue=48327, aggrutil=90.49%
  nvme0n1: ios=6453/34428, sectors=51624/275430, merge=0/7, ticks=1368/31445, in_queue=48327, util=90.49%
