TEST: (g=0): rw=rw, bs=(R) 128KiB-128KiB, (W) 128KiB-128KiB, (T) 128KiB-128KiB, ioengine=psync, iodepth=16
...
fio-3.33
Starting 16 processes
TEST: Laying out IO file (1 file / 51200MiB)
TEST: (groupid=0, jobs=16): err= 0: pid=5870: Wed Oct 1 20:29:13 2025
read: IOPS=16.1k, BW=2009MiB/s (2107MB/s)(235GiB/120011msec)
clat (usec): min=16, max=280487, avg=108.17, stdev=1222.73
lat (usec): min=16, max=280487, avg=108.53, stdev=1223.35
clat percentiles (usec):
| 1.00th=[ 19], 5.00th=[ 24], 10.00th=[ 26], 20.00th=[ 28],
| 30.00th=[ 29], 40.00th=[ 30], 50.00th=[ 31], 60.00th=[ 33],
| 70.00th=[ 35], 80.00th=[ 40], 90.00th=[ 50], 95.00th=[ 163],
| 99.00th=[ 1205], 99.50th=[ 2343], 99.90th=[13960], 99.95th=[27919],
| 99.99th=[50594]
bw ( MiB/s): min= 615, max=13011, per=100.00%, avg=2009.98, stdev=98.27, samples=3776
iops : min= 4920, max=104089, avg=16075.37, stdev=786.19, samples=3776
write: IOPS=16.1k, BW=2011MiB/s (2109MB/s)(236GiB/120011msec); 0 zone resets
clat (usec): min=21, max=286287, avg=874.49, stdev=2051.07
lat (usec): min=22, max=286290, avg=880.42, stdev=2064.95
clat percentiles (usec):
| 1.00th=[ 24], 5.00th=[ 28], 10.00th=[ 29], 20.00th=[ 34],
| 30.00th=[ 206], 40.00th=[ 433], 50.00th=[ 701], 60.00th=[ 906],
| 70.00th=[ 1090], 80.00th=[ 1303], 90.00th=[ 1663], 95.00th=[ 2180],
| 99.00th=[ 4424], 99.50th=[ 6194], 99.90th=[28181], 99.95th=[41157],
| 99.99th=[71828]
bw ( MiB/s): min= 644, max=13061, per=100.00%, avg=2012.00, stdev=98.28, samples=3776
iops : min= 5154, max=104482, avg=16091.47, stdev=786.20, samples=3776
lat (usec) : 20=1.17%, 50=56.56%, 100=2.52%, 250=3.69%, 500=6.12%
lat (usec) : 750=5.15%, 1000=6.74%
lat (msec) : 2=14.65%, 4=2.64%, 10=0.57%, 20=0.08%, 50=0.09%
lat (msec) : 100=0.02%, 250=0.01%, 500=0.01%
cpu : usr=1.15%, sys=9.36%, ctx=1719564, majf=4, minf=214
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
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=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=1929095,1931006,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=16
Run status group 0 (all jobs):
READ: bw=2009MiB/s (2107MB/s), 2009MiB/s-2009MiB/s (2107MB/s-2107MB/s), io=235GiB (253GB), run=120011-120011msec
WRITE: bw=2011MiB/s (2109MB/s), 2011MiB/s-2011MiB/s (2109MB/s-2109MB/s), io=236GiB (253GB), run=120011-120011msec