sweetiefox
root@power2:/data# fio --filename=test --sync=0 --rw=write --bs=16k --numjobs=20 --iodepth=32 --group_reporting --name=test --filesize=64G --runtime=60
test: (g=0): rw=write, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=32
...
fio-3.16
Starting 20 processes
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
test: Laying out IO file (1 file / 65536MiB)
Jobs: 1 (f=1): [E(19),W(1)][100.0%][w=4645MiB/s][w=297k IOPS][eta 00m:00s]
test: (groupid=0, jobs=20): err= 0: pid=681714: Mon Jan 8 07:38:49 2024
write: IOPS=327k, BW=5117MiB/s (5365MB/s)(300GiB/60002msec); 0 zone resets
clat (usec): min=14, max=12136, avg=56.52, stdev=33.08
lat (usec): min=14, max=12137, avg=57.59, stdev=33.12
clat percentiles (usec):
| 1.00th=[ 30], 5.00th=[ 36], 10.00th=[ 40], 20.00th=[ 44],
| 30.00th=[ 48], 40.00th=[ 51], 50.00th=[ 55], 60.00th=[ 58],
| 70.00th=[ 62], 80.00th=[ 67], 90.00th=[ 75], 95.00th=[ 85],
| 99.00th=[ 121], 99.50th=[ 139], 99.90th=[ 198], 99.95th=[ 223],
| 99.99th=[ 293]
bw ( MiB/s): min= 3932, max= 6664, per=100.00%, avg=5120.17, stdev=24.55, samples=2381
iops : min=251688, max=426542, avg=327690.50, stdev=1571.27, samples=2381
lat (usec) : 20=0.02%, 50=37.45%, 100=60.42%, 250=2.08%, 500=0.02%
lat (usec) : 750=0.01%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%
cpu : usr=9.12%, sys=82.76%, ctx=8869861, majf=0, minf=129
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=0,19649546,0,0 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):
WRITE: bw=5117MiB/s (5365MB/s), 5117MiB/s-5117MiB/s (5365MB/s-5365MB/s), io=300GiB (322GB), run=60002-60002msec
sweetiefox
root@power2:/data# fio --filename=test --sync=0 --rw=read --bs=16k --numjobs=20 --iodepth=32 --group_reporting --name=test --filesize=64G --runtime=60
test: (g=0): rw=read, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=32
...
fio-3.16
Starting 20 processes
test: Laying out IO file (1 file / 65536MiB)
Jobs: 20 (f=20): [R(20)][100.0%][r=10.7GiB/s][r=699k IOPS][eta 00m:00s]
test: (groupid=0, jobs=20): err= 0: pid=709006: Mon Jan 8 07:42:37 2024
read: IOPS=692k, BW=10.6GiB/s (11.3GB/s)(634GiB/60002msec)
clat (usec): min=7, max=2738, avg=25.05, stdev= 6.10
lat (usec): min=7, max=2739, avg=25.87, stdev= 6.12
clat percentiles (nsec):
| 1.00th=[13760], 5.00th=[16768], 10.00th=[18560], 20.00th=[20608],
| 30.00th=[22144], 40.00th=[23680], 50.00th=[24960], 60.00th=[25984],
| 70.00th=[27264], 80.00th=[28800], 90.00th=[31104], 95.00th=[33536],
| 99.00th=[44288], 99.50th=[48896], 99.90th=[59136], 99.95th=[64256],
| 99.99th=[81408]
bw ( MiB/s): min= 8939, max=11656, per=99.98%, avg=10809.87, stdev=18.19, samples=2383
iops : min=572116, max=746014, avg=691831.27, stdev=1164.18, samples=2383
lat (usec) : 10=0.01%, 20=16.33%, 50=83.23%, 100=0.43%, 250=0.01%
lat (usec) : 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%
cpu : usr=16.00%, sys=83.32%, ctx=800907, majf=0, minf=169
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=41518109,0,0,0 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=10.6GiB/s (11.3GB/s), 10.6GiB/s-10.6GiB/s (11.3GB/s-11.3GB/s), io=634GiB (680GB), run=60002-60002msec