Read intensive VM 1: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=96
...
Write VM: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32
fio-3.23
Starting 4 processes

Read intensive VM 1: (groupid=0, jobs=4): err= 0: pid=20461: Fri May  3 17:17:37 2024
  Description  : [Simulate random access with a 80:20 read:write ratio]
  read: IOPS=9948, BW=38.9MiB/s (40.7MB/s)(10.4GiB/273866msec)
    slat (usec): min=7, max=346438, avg=184.42, stdev=917.64
    clat (usec): min=5, max=365322, avg=19115.78, stdev=19922.55
     lat (usec): min=33, max=367661, avg=19301.72, stdev=20067.68
    clat percentiles (msec):
     |  1.00th=[    3],  5.00th=[    5], 10.00th=[    7], 20.00th=[    8],
     | 30.00th=[    9], 40.00th=[   10], 50.00th=[   12], 60.00th=[   15],
     | 70.00th=[   20], 80.00th=[   28], 90.00th=[   42], 95.00th=[   57],
     | 99.00th=[   99], 99.50th=[  123], 99.90th=[  184], 99.95th=[  209],
     | 99.99th=[  257]
   bw (  KiB/s): min=10191, max=164498, per=100.00%, avg=48986.95, stdev=5958.92, samples=1867
   iops        : min= 2547, max=41124, avg=12246.26, stdev=1489.72, samples=1867
  write: IOPS=5367, BW=20.0MiB/s (21.0MB/s)(5742MiB/273866msec); 0 zone resets
    slat (usec): min=15, max=193844, avg=248.27, stdev=1066.89
    clat (usec): min=4, max=365236, avg=13220.60, stdev=16343.55
     lat (usec): min=20, max=365326, avg=13470.80, stdev=16527.27
    clat percentiles (usec):
     |  1.00th=[  1012],  5.00th=[  2212], 10.00th=[  2900], 20.00th=[  4359],
     | 30.00th=[  5342], 40.00th=[  6718], 50.00th=[  8094], 60.00th=[  9634],
     | 70.00th=[ 11994], 80.00th=[ 17695], 90.00th=[ 29492], 95.00th=[ 43254],
     | 99.00th=[ 80217], 99.50th=[101188], 99.90th=[160433], 99.95th=[185598],
     | 99.99th=[250610]
   bw (  KiB/s): min= 4579, max=135848, per=100.00%, avg=23749.66, stdev=4616.15, samples=1867
   iops        : min= 1144, max=33962, avg=5936.93, stdev=1154.05, samples=1867
  lat (usec)   : 10=0.01%, 50=0.01%, 100=0.01%, 250=0.01%, 500=0.01%
  lat (usec)   : 750=0.05%, 1000=0.36%
  lat (msec)   : 2=1.42%, 4=6.22%, 10=40.94%, 20=26.02%, 50=19.30%
  lat (msec)   : 100=4.89%, 250=0.78%, 500=0.01%
  cpu          : usr=4.39%, sys=40.66%, ctx=1068876, majf=0, minf=111
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=25.0%, >=64=75.0%
     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=0.1%, 64=0.0%, >=64=0.1%
     issued rwts: total=2724431,1469873,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: bw=38.9MiB/s (40.7MB/s), 38.9MiB/s-38.9MiB/s (40.7MB/s-40.7MB/s), io=10.4GiB (11.2GB), run=273866-273866msec
  WRITE: bw=20.0MiB/s (21.0MB/s), 20.0MiB/s-20.0MiB/s (21.0MB/s-21.0MB/s), io=5742MiB (6021MB), run=273866-273866msec
