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=15486: Fri May  3 16:29:05 2024
  Description  : [Simulate random access with a 90:10 read:write ratio]
  read: IOPS=166k, BW=648MiB/s (680MB/s)(12.8GiB/20212msec)
    slat (usec): min=7, max=103865, avg=12.59, stdev=115.98
    clat (usec): min=4, max=130294, avg=1547.58, stdev=1794.14
     lat (usec): min=14, max=130328, avg=1560.49, stdev=1802.26
    clat percentiles (usec):
     |  1.00th=[  461],  5.00th=[  502], 10.00th=[  553], 20.00th=[ 1369],
     | 30.00th=[ 1401], 40.00th=[ 1434], 50.00th=[ 1450], 60.00th=[ 1500],
     | 70.00th=[ 1582], 80.00th=[ 1663], 90.00th=[ 1795], 95.00th=[ 2147],
     | 99.00th=[ 5932], 99.50th=[ 7963], 99.90th=[18220], 99.95th=[26084],
     | 99.99th=[85459]
   bw (  KiB/s): min=176888, max=834391, per=100.00%, avg=700392.41, stdev=42331.38, samples=150
   iops        : min=44222, max=208597, avg=175097.85, stdev=10582.84, samples=150
  write: IOPS=41.6k, BW=162MiB/s (170MB/s)(3282MiB/20212msec); 0 zone resets
    slat (usec): min=15, max=111208, avg=23.90, stdev=248.04
    clat (usec): min=4, max=126850, avg=1014.44, stdev=1428.45
     lat (usec): min=20, max=129311, avg=1038.72, stdev=1457.81
    clat percentiles (usec):
     |  1.00th=[  445],  5.00th=[  465], 10.00th=[  482], 20.00th=[  506],
     | 30.00th=[  529], 40.00th=[  553], 50.00th=[  578], 60.00th=[  775],
     | 70.00th=[ 1418], 80.00th=[ 1483], 90.00th=[ 1663], 95.00th=[ 1827],
     | 99.00th=[ 3949], 99.50th=[ 5866], 99.90th=[15008], 99.95th=[18482],
     | 99.99th=[61604]
   bw (  KiB/s): min=53328, max=199316, per=100.00%, avg=172144.82, stdev=12164.16, samples=150
   iops        : min=13332, max=49829, avg=43035.99, stdev=3041.04, samples=150
  lat (usec)   : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.01%, 250=0.01%
  lat (usec)   : 500=7.26%, 750=16.72%, 1000=0.41%
  lat (msec)   : 2=69.47%, 4=4.35%, 10=1.48%, 20=0.24%, 50=0.05%
  lat (msec)   : 100=0.01%, 250=0.01%
  cpu          : usr=17.66%, sys=71.72%, ctx=21949, majf=0, minf=88
  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=648MiB/s (680MB/s), 648MiB/s-648MiB/s (680MB/s-680MB/s), io=12.8GiB (13.7GB), run=20212-20212msec
  WRITE: bw=162MiB/s (170MB/s), 162MiB/s-162MiB/s (170MB/s-170MB/s), io=3282MiB (3441MB), run=20212-20212msec
