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- [root@tendrl14 vmstore]# fio --name=job1 --rw=read --size=1g --direct=1
- job1: (g=0): rw=read, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=1
- fio-2.1.7
- Starting 1 process
- job1: Laying out IO file(s) (1 file(s) / 1024MB)
- Jobs: 1 (f=1): [R] [-.-% done] [74388KB/0KB/0KB /s] [18.6K/0/0 iops] [eta 00m:00s]
- job1: (groupid=0, jobs=1): err= 0: pid=732935: Mon Jun 22 07:33:45 2020
- read : io=1024.0MB, bw=74722KB/s, iops=18680, runt= 14033msec
- clat (usec): min=47, max=3260, avg=52.39, stdev=10.60
- lat (usec): min=47, max=3260, avg=52.51, stdev=10.61
- clat percentiles (usec):
- | 1.00th=[ 49], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 50],
- | 30.00th=[ 51], 40.00th=[ 51], 50.00th=[ 51], 60.00th=[ 51],
- | 70.00th=[ 52], 80.00th=[ 52], 90.00th=[ 54], 95.00th=[ 60],
- | 99.00th=[ 73], 99.50th=[ 80], 99.90th=[ 121], 99.95th=[ 241],
- | 99.99th=[ 294]
- bw (KB /s): min=72336, max=75856, per=100.00%, avg=74737.14, stdev=861.90
- lat (usec) : 50=3.88%, 100=95.95%, 250=0.13%, 500=0.04%, 750=0.01%
- lat (usec) : 1000=0.01%
- lat (msec) : 2=0.01%, 4=0.01%
- cpu : usr=3.46%, sys=24.34%, ctx=262161, majf=0, minf=7
- 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 : total=r=262144/w=0/d=0, short=r=0/w=0/d=0
- latency : target=0, window=0, percentile=100.00%, depth=1
- Run status group 0 (all jobs):
- READ: io=1024.0MB, aggrb=74722KB/s, minb=74722KB/s, maxb=74722KB/s, mint=14033msec, maxt=14033msec
- Disk stats (read/write):
- dm-14: ios=259840/21, merge=0/0, ticks=9294/0, in_queue=9294, util=98.91%, aggrios=262144/29, aggrmerge=0/0, aggrticks=8489/0, aggrin_queue=8489, aggrutil=98.85%
- dm-8: ios=262144/29, merge=0/0, ticks=8489/0, in_queue=8489, util=98.85%, aggrios=131072/15, aggrmerge=0/0, aggrticks=4092/0, aggrin_queue=4092, aggrutil=98.85%
- dm-6: ios=0/1, merge=0/0, ticks=0/0, in_queue=0, util=0.01%, aggrios=262162/207, aggrmerge=0/18, aggrticks=10288/36, aggrin_queue=28, aggrutil=98.87%
- sdb: ios=262162/207, merge=0/18, ticks=10288/36, in_queue=28, util=98.87%
- dm-7: ios=262144/29, merge=0/0, ticks=8184/0, in_queue=8184, util=98.85%
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