Read intensive VM 1: (g=0): rw=rw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=96
...
Balanced VM: (g=0): rw=rw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32
fio-3.23
Starting 4 processes
Read intensive VM 1: Laying out IO file (1 file / 4096MiB)
vm-read: Laying out IO file (1 file / 4096MiB)
vm-read: Laying out IO file (1 file / 4096MiB)
Balanced VM: Laying out IO file (1 file / 4096MiB)

Read intensive VM 1: (groupid=0, jobs=4): err= 0: pid=18273: Fri May  3 16:48:40 2024
  Description  : [Simulate random access with a 90:10 read:write ratio]
  read: IOPS=165k, BW=643MiB/s (674MB/s)(12.8GiB/20380msec)
    slat (usec): min=7, max=96607, avg=12.59, stdev=95.15
    clat (usec): min=4, max=106318, avg=1578.06, stdev=1650.83
     lat (usec): min=14, max=106328, avg=1590.97, stdev=1657.43
    clat percentiles (usec):
     |  1.00th=[  457],  5.00th=[  502], 10.00th=[  545], 20.00th=[ 1369],
     | 30.00th=[ 1401], 40.00th=[ 1434], 50.00th=[ 1450], 60.00th=[ 1500],
     | 70.00th=[ 1565], 80.00th=[ 1663], 90.00th=[ 2024], 95.00th=[ 2311],
     | 99.00th=[ 6128], 99.50th=[ 7439], 99.90th=[18744], 99.95th=[27919],
     | 99.99th=[72877]
   bw (  KiB/s): min=183091, max=840648, per=100.00%, avg=688383.05, stdev=44541.08, samples=155
   iops        : min=45772, max=210164, avg=172095.66, stdev=11135.38, samples=155
  write: IOPS=41.2k, BW=161MiB/s (169MB/s)(3282MiB/20380msec); 0 zone resets
    slat (usec): min=15, max=96964, avg=25.50, stdev=245.35
    clat (usec): min=4, max=105976, avg=1037.71, stdev=1415.37
     lat (usec): min=21, max=106389, avg=1063.58, stdev=1447.00
    clat percentiles (usec):
     |  1.00th=[  441],  5.00th=[  465], 10.00th=[  478], 20.00th=[  502],
     | 30.00th=[  523], 40.00th=[  545], 50.00th=[  570], 60.00th=[  783],
     | 70.00th=[ 1418], 80.00th=[ 1483], 90.00th=[ 1663], 95.00th=[ 2057],
     | 99.00th=[ 4621], 99.50th=[ 6259], 99.90th=[14353], 99.95th=[22152],
     | 99.99th=[53216]
   bw (  KiB/s): min=35842, max=201408, per=100.00%, avg=168164.60, stdev=15356.34, samples=155
   iops        : min= 8960, max=50352, avg=42041.00, stdev=3839.12, samples=155
  lat (usec)   : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.01%, 250=0.01%
  lat (usec)   : 500=7.95%, 750=16.04%, 1000=0.25%
  lat (msec)   : 2=66.40%, 4=6.93%, 10=2.19%, 20=0.16%, 50=0.06%
  lat (msec)   : 100=0.01%, 250=0.01%
  cpu          : usr=16.64%, sys=70.66%, ctx=25829, majf=0, minf=101
  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=3354190,840114,0,0 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=643MiB/s (674MB/s), 643MiB/s-643MiB/s (674MB/s-674MB/s), io=12.8GiB (13.7GB), run=20380-20380msec
  WRITE: bw=161MiB/s (169MB/s), 161MiB/s-161MiB/s (169MB/s-169MB/s), io=3282MiB (3441MB), run=20380-20380msec
