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
Write VM: Laying out IO file (1 file / 4096MiB)

Read intensive VM 1: (groupid=0, jobs=4): err= 0: pid=15528: Fri May  3 16:35:05 2024
  Description  : [Simulate random access with a 80:20 read:write ratio]
  read: IOPS=11.6k, BW=45.3MiB/s (47.5MB/s)(10.4GiB/235006msec)
    slat (usec): min=7, max=398535, avg=155.45, stdev=1245.92
    clat (usec): min=7, max=493785, avg=15797.77, stdev=22814.60
     lat (usec): min=34, max=493843, avg=15954.42, stdev=22982.20
    clat percentiles (usec):
     |  1.00th=[  1762],  5.00th=[  3982], 10.00th=[  5800], 20.00th=[  7046],
     | 30.00th=[  7767], 40.00th=[  8455], 50.00th=[  9241], 60.00th=[ 10290],
     | 70.00th=[ 12256], 80.00th=[ 16450], 90.00th=[ 30540], 95.00th=[ 50594],
     | 99.00th=[121111], 99.50th=[160433], 99.90th=[246416], 99.95th=[283116],
     | 99.99th=[375391]
   bw (  KiB/s): min=11800, max=188659, per=100.00%, avg=58856.77, stdev=7427.55, samples=1558
   iops        : min= 2950, max=47164, avg=14713.58, stdev=1856.88, samples=1558
  write: IOPS=6254, BW=24.4MiB/s (25.6MB/s)(5742MiB/235006msec); 0 zone resets
    slat (usec): min=15, max=357270, avg=208.83, stdev=1359.22
    clat (usec): min=4, max=493768, avg=11100.03, stdev=18714.31
     lat (usec): min=20, max=493832, avg=11310.14, stdev=18924.83
    clat percentiles (usec):
     |  1.00th=[  1090],  5.00th=[  1631], 10.00th=[  1975], 20.00th=[  2671],
     | 30.00th=[  4359], 40.00th=[  5735], 50.00th=[  7242], 60.00th=[  8356],
     | 70.00th=[  9765], 80.00th=[ 12125], 90.00th=[ 19268], 95.00th=[ 35390],
     | 99.00th=[ 94897], 99.50th=[128451], 99.90th=[227541], 99.95th=[267387],
     | 99.99th=[362808]
   bw (  KiB/s): min= 4899, max=123931, per=100.00%, avg=28141.16, stdev=6134.75, samples=1558
   iops        : min= 1224, max=30982, avg=7034.63, stdev=1533.70, samples=1558
  lat (usec)   : 10=0.01%, 50=0.01%, 100=0.01%, 250=0.01%, 500=0.01%
  lat (usec)   : 750=0.03%, 1000=0.29%
  lat (msec)   : 2=4.19%, 4=8.61%, 10=49.45%, 20=23.92%, 50=9.12%
  lat (msec)   : 100=3.08%, 250=1.23%, 500=0.08%
  cpu          : usr=4.26%, sys=45.78%, ctx=730503, majf=0, minf=92
  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=45.3MiB/s (47.5MB/s), 45.3MiB/s-45.3MiB/s (47.5MB/s-47.5MB/s), io=10.4GiB (11.2GB), run=235006-235006msec
  WRITE: bw=24.4MiB/s (25.6MB/s), 24.4MiB/s-24.4MiB/s (25.6MB/s-25.6MB/s), io=5742MiB (6021MB), run=235006-235006msec
