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=22283: Fri May  3 17:46:55 2024
  Description  : [Simulate random access with a 80:20 read:write ratio]
  read: IOPS=3116, BW=12.2MiB/s (12.8MB/s)(5732MiB/470827msec)
    slat (usec): min=8, max=248618, avg=363.06, stdev=1223.14
    clat (usec): min=16, max=323529, avg=29126.83, stdev=27203.03
     lat (usec): min=96, max=324135, avg=29493.04, stdev=27406.78
    clat percentiles (usec):
     |  1.00th=[  1680],  5.00th=[  2802], 10.00th=[  3818], 20.00th=[  6915],
     | 30.00th=[ 10421], 40.00th=[ 14353], 50.00th=[ 19268], 60.00th=[ 25035],
     | 70.00th=[ 35914], 80.00th=[ 52691], 90.00th=[ 70779], 95.00th=[ 83362],
     | 99.00th=[110625], 99.50th=[122160], 99.90th=[156238], 99.95th=[175113],
     | 99.99th=[270533]
   bw (  KiB/s): min= 4064, max=71672, per=100.00%, avg=13039.86, stdev=2171.72, samples=3563
   iops        : min= 1016, max=17918, avg=3259.43, stdev=542.93, samples=3563
  write: IOPS=5791, BW=22.6MiB/s (23.7MB/s)(10.4GiB/470827msec); 0 zone resets
    slat (usec): min=16, max=228663, avg=411.60, stdev=1251.56
    clat (usec): min=4, max=316823, avg=15318.64, stdev=15897.08
     lat (usec): min=37, max=317027, avg=15733.64, stdev=16148.82
    clat percentiles (usec):
     |  1.00th=[  1303],  5.00th=[  2245], 10.00th=[  2737], 20.00th=[  3720],
     | 30.00th=[  5342], 40.00th=[  7504], 50.00th=[ 10290], 60.00th=[ 14091],
     | 70.00th=[ 18482], 80.00th=[ 23462], 90.00th=[ 32375], 95.00th=[ 44303],
     | 99.00th=[ 79168], 99.50th=[ 92799], 99.90th=[121111], 99.95th=[137364],
     | 99.99th=[191890]
   bw (  KiB/s): min= 7067, max=164896, per=100.00%, avg=24570.21, stdev=3619.65, samples=3563
   iops        : min= 1766, max=41222, avg=6142.00, stdev=904.90, samples=3563
  lat (usec)   : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.01%, 250=0.01%
  lat (usec)   : 500=0.01%, 750=0.01%, 1000=0.24%
  lat (msec)   : 2=2.40%, 4=15.58%, 10=23.93%, 20=23.56%, 50=24.18%
  lat (msec)   : 100=9.18%, 250=0.89%, 500=0.01%
  cpu          : usr=3.81%, sys=30.53%, ctx=1924675, majf=0, minf=100
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=75.0%, >=64=25.0%
     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=1467287,2727017,0,0 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=12.2MiB/s (12.8MB/s), 12.2MiB/s-12.2MiB/s (12.8MB/s-12.8MB/s), io=5732MiB (6010MB), run=470827-470827msec
  WRITE: bw=22.6MiB/s (23.7MB/s), 22.6MiB/s-22.6MiB/s (23.7MB/s-23.7MB/s), io=10.4GiB (11.2GB), run=470827-470827msec
