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| root@ubuntu1804:~# cd /data/ root@ubuntu1804:/data# fio --name TEST --eta-newline=5s --filename=fio-tempfile.dat --rw=randwrite --size=500m --io_size=2g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=1 --runtime=60 --group_reporting
TEST: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1 fio-3.1 Starting 1 process TEST: Laying out IO file (1 file / 500MiB) Jobs: 1 (f=1): [w(1)][11.7%][r=0KiB/s,w=4681KiB/s][r=0,w=1170 IOPS][eta 00m:53s] Jobs: 1 (f=1): [w(1)][21.7%][r=0KiB/s,w=6553KiB/s][r=0,w=1638 IOPS][eta 00m:47s] Jobs: 1 (f=1): [w(1)][31.1%][r=0KiB/s,w=4536KiB/s][r=0,w=1134 IOPS][eta 00m:42s] Jobs: 1 (f=1): [w(1)][41.0%][r=0KiB/s,w=2516KiB/s][r=0,w=629 IOPS][eta 00m:36s] Jobs: 1 (f=1): [w(1)][50.8%][r=0KiB/s,w=3772KiB/s][r=0,w=943 IOPS][eta 00m:30s] Jobs: 1 (f=1): [w(1)][60.7%][r=0KiB/s,w=8476KiB/s][r=0,w=2119 IOPS][eta 00m:24s] Jobs: 1 (f=1): [w(1)][85.0%][r=0KiB/s,w=7158KiB/s][r=0,w=1789 IOPS][eta 00m:09s] Jobs: 1 (f=1): [w(1)][95.0%][r=0KiB/s,w=6984KiB/s][r=0,w=1746 IOPS][eta 00m:03s] Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=3449KiB/s][r=0,w=862 IOPS][eta 00m:00s] TEST: (groupid=0, jobs=1): err= 0: pid=26679: Thu Sep 2 11:32:17 2021 write: IOPS=1462, BW=5851KiB/s (5992kB/s)(343MiB/60010msec) slat (usec): min=25, max=270564, avg=275.98, stdev=3972.28 clat (nsec): min=1240, max=190800k, avg=140324.02, stdev=2041880.18 lat (usec): min=71, max=283124, avg=416.73, stdev=4716.37 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 50], 10.00th=[ 53], 20.00th=[ 59], | 30.00th=[ 73], 40.00th=[ 82], 50.00th=[ 87], 60.00th=[ 92], | 70.00th=[ 99], 80.00th=[ 109], 90.00th=[ 129], 95.00th=[ 157], | 99.00th=[ 334], 99.50th=[ 465], 99.90th=[ 4555], 99.95th=[ 31327], | 99.99th=[105382] bw ( KiB/s): min= 93, max=11799, per=72.15%, avg=4221.47, stdev=3043.93, samples=93 iops : min= 23, max= 2949, avg=1055.01, stdev=760.91, samples=93 lat (usec) : 2=0.04%, 4=0.11%, 10=0.19%, 20=0.07%, 50=5.46% lat (usec) : 100=65.80%, 250=26.62%, 500=1.27%, 750=0.18%, 1000=0.06% lat (msec) : 2=0.07%, 4=0.03%, 10=0.03%, 20=0.01%, 50=0.03% lat (msec) : 100=0.02%, 250=0.01% cpu : usr=1.95%, sys=43.40%, ctx=175616, majf=0, minf=39 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 rwt: total=0,87784,0, short=0,0,0, dropped=0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs): WRITE: bw=5851KiB/s (5992kB/s), 5851KiB/s-5851KiB/s (5992kB/s-5992kB/s), io=343MiB (360MB), run=60010-60010msec
Disk stats (read/write): sdb: ios=30/263733, merge=0/186890, ticks=948/55212, in_queue=55912, util=79.04%
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