test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=rbd, iodepth=128
fio-3.12
Starting 1 process

test: (groupid=0, jobs=1): err= 0: pid=9946: Mon Jan 18 14:50:25 2021
  write: IOPS=20.0k, BW=81.9MiB/s (85.9MB/s)(2048MiB/25006msec); 0 zone resets
    slat (nsec): min=974, max=268076, avg=3661.77, stdev=3043.60
    clat (usec): min=670, max=174232, avg=6099.94, stdev=10027.98
     lat (usec): min=673, max=174236, avg=6103.60, stdev=10027.99
    clat percentiles (msec):
     |  1.00th=[    4],  5.00th=[    4], 10.00th=[    5], 20.00th=[    5],
     | 30.00th=[    5], 40.00th=[    5], 50.00th=[    6], 60.00th=[    6],
     | 70.00th=[    6], 80.00th=[    7], 90.00th=[    7], 95.00th=[    7],
     | 99.00th=[   31], 99.50th=[   65], 99.90th=[  153], 99.95th=[  155],
     | 99.99th=[  157]
   bw (  KiB/s): min=43128, max=108200, per=100.00%, avg=83862.22, stdev=17348.71, samples=50
   iops        : min=10782, max=27050, avg=20965.54, stdev=4337.17, samples=50
  lat (usec)   : 750=0.01%, 1000=0.06%
  lat (msec)   : 2=0.39%, 4=8.40%, 10=89.20%, 20=0.40%, 50=0.98%
  lat (msec)   : 100=0.12%, 250=0.45%
  cpu          : usr=13.54%, sys=5.30%, ctx=335263, majf=0, minf=8591
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=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=0,524288,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=128

Run status group 0 (all jobs):
  WRITE: bw=81.9MiB/s (85.9MB/s), 81.9MiB/s-81.9MiB/s (85.9MB/s-85.9MB/s), io=2048MiB (2147MB), run=25006-25006msec

Disk stats (read/write):
    dm-0: ios=0/69, merge=0/0, ticks=0/4, in_queue=4, util=0.02%, aggrios=0/69, aggrmerge=0/0, aggrticks=0/0, aggrin_queue=0, aggrutil=0.00%
    md0: ios=0/69, merge=0/0, ticks=0/0, in_queue=0, util=0.00%, aggrios=2/45, aggrmerge=0/53, aggrticks=0/5, aggrin_queue=4, aggrutil=0.02%
  sdb: ios=0/45, merge=0/53, ticks=0/6, in_queue=4, util=0.02%
  sda: ios=4/45, merge=0/53, ticks=0/5, in_queue=4, util=0.02%