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July 2, 2017 16:02
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$ fio --filename=file.dat --direct=1 --rw=read --ioengine=libaio --bs=512k --iodepth=32 --numjobs=1 --name=benchtest --size=64G | |
benchtest: (g=0): rw=read, bs=512K-512K/512K-512K/512K-512K, ioengine=libaio, iodepth=32 | |
fio-2.2.10 | |
Starting 1 process | |
Jobs: 1 (f=1): [R(1)] [100.0% done] [3026MB/0KB/0KB /s] [6051/0/0 iops] [eta 00m:00s] | |
benchtest: (groupid=0, jobs=1): err= 0: pid=21042: Sun Jul 2 19:01:18 2017 | |
read : io=65536MB, bw=3043.3MB/s, iops=6086, runt= 21535msec | |
slat (usec): min=45, max=2387, avg=63.45, stdev=10.47 | |
clat (usec): min=3142, max=9691, avg=5192.45, stdev=269.67 | |
lat (usec): min=3250, max=9755, avg=5255.98, stdev=269.30 | |
clat percentiles (usec): | |
| 1.00th=[ 4768], 5.00th=[ 4832], 10.00th=[ 4896], 20.00th=[ 4960], | |
| 30.00th=[ 5024], 40.00th=[ 5088], 50.00th=[ 5152], 60.00th=[ 5216], | |
| 70.00th=[ 5344], 80.00th=[ 5472], 90.00th=[ 5600], 95.00th=[ 5664], | |
| 99.00th=[ 5728], 99.50th=[ 5792], 99.90th=[ 5856], 99.95th=[ 5920], | |
| 99.99th=[ 7712] | |
bw (MB /s): min= 2866, max= 3211, per=100.00%, avg=3043.53, stdev=119.69 | |
lat (msec) : 4=0.08%, 10=99.92% | |
cpu : usr=1.06%, sys=40.09%, ctx=130715, majf=0, minf=529 | |
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=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=0.1%, 64=0.0%, >=64=0.0% | |
issued : total=r=131072/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 | |
latency : target=0, window=0, percentile=100.00%, depth=32 | |
Run status group 0 (all jobs): | |
READ: io=65536MB, aggrb=3043.3MB/s, minb=3043.3MB/s, maxb=3043.3MB/s, mint=21535msec, maxt=21535msec |
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