random-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=256
random-read: (g=1): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=256
fio-3.25
Starting 2 processes
random-write: Laying out IO file (1 file / 8192MiB)
random-read: Laying out IO file (1 file / 8192MiB)

random-write: (groupid=0, jobs=1): err= 0: pid=4811: Thu Feb 17 15:19:54 2022
  write: IOPS=5367, BW=20.0MiB/s (21.0MB/s)(7826MiB/373207msec); 0 zone resets
   bw (  KiB/s): min=    8, max=140280, per=100.00%, avg=21641.84, stdev=11953.85, samples=737
   iops        : min=    2, max=35070, avg=5410.29, stdev=2988.47, samples=737
  cpu          : usr=2.32%, sys=7.11%, ctx=390408, majf=0, minf=59
  IO depths    : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=100.0%
     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=0.1%
     issued rwts: total=0,2003247,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=256
random-read: (groupid=1, jobs=1): err= 0: pid=7821: Thu Feb 17 15:19:54 2022
  read: IOPS=58.2k, BW=227MiB/s (239MB/s)(7185MiB/31587msec)
   bw (  KiB/s): min=180864, max=271470, per=100.00%, avg=233088.25, stdev=33893.47, samples=63
   iops        : min=45216, max=67867, avg=58271.94, stdev=8473.30, samples=63
  cpu          : usr=14.61%, sys=44.68%, ctx=833675, majf=0, minf=59
  IO depths    : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=100.0%
     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=0.1%
     issued rwts: total=1839223,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=256

Run status group 0 (all jobs):
  WRITE: bw=20.0MiB/s (21.0MB/s), 20.0MiB/s-20.0MiB/s (21.0MB/s-21.0MB/s), io=7826MiB (8206MB), run=373207-373207msec

Run status group 1 (all jobs):
   READ: bw=227MiB/s (239MB/s), 227MiB/s-227MiB/s (239MB/s-239MB/s), io=7185MiB (7535MB), run=31587-31587msec

Disk stats (read/write):
  vdb: ios=2091896/2822850, merge=0/89914, ticks=9031909/37256763, in_queue=46425434, util=98.65%