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=10393: Thu Feb 17 15:50:33 2022
  write: IOPS=2461, BW=9849KiB/s (10.1MB/s)(8173MiB/849737msec); 0 zone resets
   bw (  KiB/s): min=    8, max=26048, per=100.00%, avg=10286.25, stdev=4838.36, samples=1627
   iops        : min=    2, max= 6512, avg=2571.37, stdev=1209.58, samples=1627
  cpu          : usr=1.70%, sys=13.34%, ctx=892699, majf=0, minf=58
  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=0,2091978,0,0 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=14066: Thu Feb 17 15:50:33 2022
  read: IOPS=2982, BW=11.7MiB/s (12.2MB/s)(8138MiB/698377msec)
   bw (  KiB/s): min= 5370, max=23352, per=100.00%, avg=11947.37, stdev=1634.71, samples=1396
   iops        : min= 1342, max= 5838, avg=2986.68, stdev=408.68, samples=1396
  cpu          : usr=3.01%, sys=9.42%, ctx=1518644, majf=0, minf=58
  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=2083079,0,0,0 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=9849KiB/s (10.1MB/s), 9849KiB/s-9849KiB/s (10.1MB/s-10.1MB/s), io=8173MiB (8570MB), run=849737-849737msec

Run status group 1 (all jobs):
   READ: bw=11.7MiB/s (12.2MB/s), 11.7MiB/s-11.7MiB/s (12.2MB/s-12.2MB/s), io=8138MiB (8533MB), run=698377-698377msec

Disk stats (read/write):
  vda: ios=2097684/2354297, merge=26/1467187, ticks=179236304/145286333, in_queue=324683377, util=99.98%