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| --- /dev/sda (block device 111.8 GiB) ioping statistics --- | ||
| 11.6 k requests completed in 2.00 min, 4.95 k iops, 19.3 MiB/s | ||
| min/avg/max/mdev = 74 us / 202 us / 425 us / 18 us |
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| --- /dev/sda (block device 111.8 GiB) ioping statistics --- | ||
| 1.19 k requests completed in 2.00 min, 1.13 k iops, 281.8 MiB/s | ||
| min/avg/max/mdev = 645 us / 887 us / 1.03 ms / 41 us |
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| Linux 4.3.3.201512162141-1-grsec (arch-laptop) 12/26/2015 _x86_64_ (4 CPU) | ||
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| avg-cpu: %user %nice %system %iowait %steal %idle | ||
| 2.53 0.01 6.83 24.26 0.00 66.37 | ||
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| Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn | ||
| sda 9564.27 96965.71 71463.89 906260874 667915808 | ||
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| 0.5ktest: (g=0): rw=randrw, bs=512-512/512-512/512-512, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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| 0.5ktest: (groupid=0, jobs=16): err= 0: pid=5455: Sat Dec 26 22:22:12 2015 | ||
| read : io=5230.2MB, bw=44625KB/s, iops=89250, runt=120011msec | ||
| slat (usec): min=5, max=17225, avg=86.29, stdev=394.02 | ||
| clat (usec): min=15, max=404665, avg=2777.86, stdev=11388.86 | ||
| lat (usec): min=42, max=405724, avg=2864.74, stdev=11401.87 | ||
| clat percentiles (usec): | ||
| | 1.00th=[ 104], 5.00th=[ 161], 10.00th=[ 211], 20.00th=[ 310], | ||
| | 30.00th=[ 422], 40.00th=[ 612], 50.00th=[ 1464], 60.00th=[ 2160], | ||
| | 70.00th=[ 2416], 80.00th=[ 2576], 90.00th=[ 2832], 95.00th=[ 4512], | ||
| | 99.00th=[41728], 99.50th=[87552], 99.90th=[173056], 99.95th=[205824], | ||
| | 99.99th=[259072] | ||
| bw (KB /s): min= 330, max= 5320, per=6.29%, avg=2807.33, stdev=813.86 | ||
| lat (usec) : 20=0.01%, 50=0.04%, 100=0.78%, 250=13.07%, 500=21.38% | ||
| lat (usec) : 750=8.22%, 1000=3.70% | ||
| lat (msec) : 2=8.43%, 4=38.95%, 10=2.95%, 20=0.94%, 50=0.66% | ||
| lat (msec) : 100=0.51%, 250=0.36%, 500=0.01% | ||
| cpu : usr=1.92%, sys=12.52%, ctx=1096113, majf=0, minf=3017 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=10711077/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=16 | ||
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| Run status group 0 (all jobs): | ||
| READ: io=5230.2MB, aggrb=44625KB/s, minb=44625KB/s, maxb=44625KB/s, mint=120011msec, maxt=120011msec | ||
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| Disk stats (read/write): | ||
| sda: ios=10710289/0, merge=0/0, ticks=16748126/0, in_queue=17068530, util=100.00% |
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| 1024ktest: (g=0): rw=randrw, bs=1M-1M/1M-1M/1M-1M, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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||
| 1024ktest: (groupid=0, jobs=16): err= 0: pid=5691: Sat Dec 26 22:36:46 2015 | ||
| read : io=63823MB, bw=543450KB/s, iops=530, runt=120259msec | ||
| slat (usec): min=244, max=389711, avg=16598.99, stdev=61424.35 | ||
| clat (msec): min=7, max=1441, avg=465.19, stdev=108.36 | ||
| lat (msec): min=8, max=1441, avg=481.79, stdev=95.29 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 196], 5.00th=[ 258], 10.00th=[ 273], 20.00th=[ 412], | ||
| | 30.00th=[ 478], 40.00th=[ 482], 50.00th=[ 486], 60.00th=[ 498], | ||
| | 70.00th=[ 519], 80.00th=[ 545], 90.00th=[ 553], 95.00th=[ 578], | ||
| | 99.00th=[ 611], 99.50th=[ 644], 99.90th=[ 914], 99.95th=[ 1057], | ||
| | 99.99th=[ 1221] | ||
| bw (KB /s): min= 1367, max=64503, per=6.22%, avg=33825.36, stdev=9076.53 | ||
| lat (msec) : 10=0.01%, 20=0.46%, 50=0.19%, 100=0.05%, 250=3.13% | ||
| lat (msec) : 500=56.45%, 750=39.41%, 1000=0.25%, 2000=0.05% | ||
| cpu : usr=0.03%, sys=2.12%, ctx=8840, majf=0, minf=79686 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.2%, 16=99.6%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=63823/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=16 | ||
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| Run status group 0 (all jobs): | ||
| READ: io=63823MB, aggrb=543449KB/s, minb=543449KB/s, maxb=543449KB/s, mint=120259msec, maxt=120259msec | ||
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| Disk stats (read/write): | ||
| sda: ios=63860/0, merge=12/0, ticks=15933883/0, in_queue=15951737, util=99.99% |
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| 128ktest: (g=0): rw=randrw, bs=128K-128K/128K-128K/128K-128K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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| 128ktest: (groupid=0, jobs=16): err= 0: pid=5349: Sat Dec 26 22:14:33 2015 | ||
| read : io=54025MB, bw=460838KB/s, iops=3600, runt=120045msec | ||
| slat (usec): min=31, max=79434, avg=2234.12, stdev=10178.89 | ||
| clat (msec): min=1, max=422, avg=68.85, stdev=61.05 | ||
| lat (msec): min=1, max=462, avg=71.08, stdev=61.91 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 3], 5.00th=[ 7], 10.00th=[ 10], 20.00th=[ 12], | ||
| | 30.00th=[ 38], 40.00th=[ 55], 50.00th=[ 63], 60.00th=[ 70], | ||
| | 70.00th=[ 76], 80.00th=[ 93], 90.00th=[ 143], 95.00th=[ 210], | ||
| | 99.00th=[ 289], 99.50th=[ 297], 99.90th=[ 392], 99.95th=[ 400], | ||
| | 99.99th=[ 420] | ||
| bw (KB /s): min= 5859, max=53504, per=6.37%, avg=29354.64, stdev=12183.72 | ||
| lat (msec) : 2=0.01%, 4=3.07%, 10=10.98%, 20=13.85%, 50=8.52% | ||
| lat (msec) : 100=47.59%, 250=13.79%, 500=2.20% | ||
| cpu : usr=0.16%, sys=1.50%, ctx=153325, majf=0, minf=57364 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=99.9%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=432198/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=16 | ||
|
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| Run status group 0 (all jobs): | ||
| READ: io=54025MB, aggrb=460838KB/s, minb=460838KB/s, maxb=460838KB/s, mint=120045msec, maxt=120045msec | ||
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| Disk stats (read/write): | ||
| sda: ios=431336/0, merge=8/0, ticks=16274600/0, in_queue=16297430, util=100.00% |
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| 128ktest: (g=0): rw=randrw, bs=128K-128K/128K-128K/128K-128K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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| 128ktest: (groupid=0, jobs=16): err= 0: pid=5611: Sat Dec 26 22:31:20 2015 | ||
| read : io=54057MB, bw=461078KB/s, iops=3602, runt=120055msec | ||
| slat (usec): min=31, max=71170, avg=2220.17, stdev=10057.98 | ||
| clat (msec): min=1, max=307, avg=68.82, stdev=57.44 | ||
| lat (msec): min=1, max=346, avg=71.04, stdev=58.35 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 3], 5.00th=[ 7], 10.00th=[ 10], 20.00th=[ 12], | ||
| | 30.00th=[ 39], 40.00th=[ 56], 50.00th=[ 64], 60.00th=[ 72], | ||
| | 70.00th=[ 77], 80.00th=[ 97], 90.00th=[ 139], 95.00th=[ 208], | ||
| | 99.00th=[ 269], 99.50th=[ 289], 99.90th=[ 293], 99.95th=[ 297], | ||
| | 99.99th=[ 302] | ||
| bw (KB /s): min= 6895, max=55040, per=6.36%, avg=29341.67, stdev=12056.08 | ||
| lat (msec) : 2=0.01%, 4=2.96%, 10=11.00%, 20=12.78%, 50=9.25% | ||
| lat (msec) : 100=47.17%, 250=14.61%, 500=2.24% | ||
| cpu : usr=0.16%, sys=1.47%, ctx=149593, majf=0, minf=56436 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=99.9%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=432459/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=16 | ||
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| Run status group 0 (all jobs): | ||
| READ: io=54057MB, aggrb=461078KB/s, minb=461078KB/s, maxb=461078KB/s, mint=120055msec, maxt=120055msec | ||
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| Disk stats (read/write): | ||
| sda: ios=432230/0, merge=10/0, ticks=16320600/0, in_queue=16327250, util=100.00% |
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| 16ktest: (g=0): rw=randrw, bs=16K-16K/16K-16K/16K-16K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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| 16ktest: (groupid=0, jobs=16): err= 0: pid=5211: Sat Dec 26 22:02:52 2015 | ||
| read : io=57244MB, bw=488458KB/s, iops=30528, runt=120007msec | ||
| slat (usec): min=8, max=16681, avg=251.48, stdev=1291.28 | ||
| clat (usec): min=97, max=435530, avg=8131.65, stdev=11549.15 | ||
| lat (usec): min=132, max=439172, avg=8383.42, stdev=11646.31 | ||
| clat percentiles (usec): | ||
| | 1.00th=[ 286], 5.00th=[ 386], 10.00th=[ 548], 20.00th=[ 940], | ||
| | 30.00th=[ 1192], 40.00th=[ 1512], 50.00th=[ 6688], 60.00th=[ 7328], | ||
| | 70.00th=[ 7904], 80.00th=[ 8384], 90.00th=[25984], 95.00th=[32128], | ||
| | 99.00th=[44288], 99.50th=[52992], 99.90th=[107008], 99.95th=[116224], | ||
| | 99.99th=[191488] | ||
| bw (KB /s): min= 5976, max=50217, per=6.26%, avg=30585.05, stdev=5179.74 | ||
| lat (usec) : 100=0.01%, 250=0.01%, 500=8.59%, 750=6.00%, 1000=7.35% | ||
| lat (msec) : 2=21.45%, 4=0.64%, 10=40.94%, 20=2.67%, 50=11.75% | ||
| lat (msec) : 100=0.45%, 250=0.15%, 500=0.01% | ||
| cpu : usr=0.75%, sys=3.24%, ctx=1675134, majf=0, minf=11583 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=3663647/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=16 | ||
|
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| Run status group 0 (all jobs): | ||
| READ: io=57244MB, aggrb=488457KB/s, minb=488457KB/s, maxb=488457KB/s, mint=120007msec, maxt=120007msec | ||
|
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| Disk stats (read/write): | ||
| sda: ios=3663184/0, merge=5/0, ticks=16869970/0, in_queue=16923814, util=100.00% |
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| 1ktest: (g=0): rw=randrw, bs=1K-1K/1K-1K/1K-1K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
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||
| 1ktest: (groupid=0, jobs=16): err= 0: pid=5416: Sat Dec 26 22:19:28 2015 | ||
| read : io=10533MB, bw=89873KB/s, iops=89873, runt=120012msec | ||
| slat (usec): min=5, max=20652, avg=85.72, stdev=390.15 | ||
| clat (usec): min=3, max=352314, avg=2758.59, stdev=11418.38 | ||
| lat (usec): min=47, max=352468, avg=2844.91, stdev=11431.22 | ||
| clat percentiles (usec): | ||
| | 1.00th=[ 102], 5.00th=[ 157], 10.00th=[ 209], 20.00th=[ 306], | ||
| | 30.00th=[ 418], 40.00th=[ 604], 50.00th=[ 1448], 60.00th=[ 2160], | ||
| | 70.00th=[ 2416], 80.00th=[ 2544], 90.00th=[ 2768], 95.00th=[ 4320], | ||
| | 99.00th=[42240], 99.50th=[87552], 99.90th=[173056], 99.95th=[199680], | ||
| | 99.99th=[261120] | ||
| bw (KB /s): min= 174, max=10231, per=6.30%, avg=5660.68, stdev=1671.06 | ||
| lat (usec) : 4=0.01%, 10=0.01%, 50=0.05%, 100=0.86%, 250=13.40% | ||
| lat (usec) : 500=21.41%, 750=8.24%, 1000=3.61% | ||
| lat (msec) : 2=8.12%, 4=39.04%, 10=2.84%, 20=0.91%, 50=0.64% | ||
| lat (msec) : 100=0.51%, 250=0.37%, 500=0.02% | ||
| cpu : usr=1.92%, sys=12.52%, ctx=1046430, majf=0, minf=3573 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=10785896/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=10533MB, aggrb=89873KB/s, minb=89873KB/s, maxb=89873KB/s, mint=120012msec, maxt=120012msec | ||
|
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||
| Disk stats (read/write): | ||
| sda: ios=10784630/0, merge=0/0, ticks=16738043/0, in_queue=17092750, util=100.00% |
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| 2048ktest: (g=0): rw=randrw, bs=2M-2M/2M-2M/2M-2M, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
|
||
| 2048ktest: (groupid=0, jobs=16): err= 0: pid=5724: Sat Dec 26 22:39:10 2015 | ||
| read : io=64876MB, bw=551316KB/s, iops=269, runt=120499msec | ||
| slat (usec): min=453, max=734351, avg=43433.01, stdev=139733.54 | ||
| clat (msec): min=23, max=4933, avg=905.56, stdev=464.43 | ||
| lat (msec): min=24, max=4934, avg=949.00, stdev=476.91 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 515], 5.00th=[ 529], 10.00th=[ 529], 20.00th=[ 537], | ||
| | 30.00th=[ 545], 40.00th=[ 660], 50.00th=[ 742], 60.00th=[ 857], | ||
| | 70.00th=[ 1057], 80.00th=[ 1205], 90.00th=[ 1549], 95.00th=[ 1860], | ||
| | 99.00th=[ 2540], 99.50th=[ 2769], 99.90th=[ 3294], 99.95th=[ 3523], | ||
| | 99.99th=[ 3884] | ||
| bw (KB /s): min= 1440, max=94523, per=6.41%, avg=35324.68, stdev=12620.69 | ||
| lat (msec) : 50=0.07%, 100=0.06%, 250=0.05%, 500=0.26%, 750=50.31% | ||
| lat (msec) : 1000=16.75%, 2000=28.80%, >=2000=3.70% | ||
| cpu : usr=0.02%, sys=2.23%, ctx=6004, majf=0, minf=84358 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.4%, 16=99.3%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=32438/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=64876MB, aggrb=551315KB/s, minb=551315KB/s, maxb=551315KB/s, mint=120499msec, maxt=120499msec | ||
|
|
||
| Disk stats (read/write): | ||
| sda: ios=34424/0, merge=30488/0, ticks=15845870/0, in_queue=15854550, util=100.00% |
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| 256ktest: (g=0): rw=randrw, bs=256K-256K/256K-256K/256K-256K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
|
||
| 256ktest: (groupid=0, jobs=16): err= 0: pid=5505: Sat Dec 26 22:25:57 2015 | ||
| read : io=58988MB, bw=503010KB/s, iops=1964, runt=120085msec | ||
| slat (usec): min=57, max=128068, avg=4357.27, stdev=17912.93 | ||
| clat (msec): min=2, max=531, avg=125.86, stdev=81.81 | ||
| lat (msec): min=2, max=606, avg=130.22, stdev=83.92 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 6], 5.00th=[ 11], 10.00th=[ 15], 20.00th=[ 79], | ||
| | 30.00th=[ 99], 40.00th=[ 115], 50.00th=[ 129], 60.00th=[ 133], | ||
| | 70.00th=[ 135], 80.00th=[ 155], 90.00th=[ 200], 95.00th=[ 273], | ||
| | 99.00th=[ 478], 99.50th=[ 490], 99.90th=[ 515], 99.95th=[ 523], | ||
| | 99.99th=[ 529] | ||
| bw (KB /s): min= 7217, max=68096, per=6.30%, avg=31709.25, stdev=11519.29 | ||
| lat (msec) : 4=0.01%, 10=4.48%, 20=9.54%, 50=0.97%, 100=15.57% | ||
| lat (msec) : 250=61.92%, 500=7.15%, 750=0.35% | ||
| cpu : usr=0.09%, sys=1.81%, ctx=56591, majf=0, minf=64823 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=99.9%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=235953/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=58988MB, aggrb=503010KB/s, minb=503010KB/s, maxb=503010KB/s, mint=120085msec, maxt=120085msec | ||
|
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||
| Disk stats (read/write): | ||
| sda: ios=235418/0, merge=16/0, ticks=16108880/0, in_queue=16117297, util=100.00% |
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| 2ktest: (g=0): rw=randrw, bs=2K-2K/2K-2K/2K-2K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
|
||
| 2ktest: (groupid=0, jobs=16): err= 0: pid=5385: Sat Dec 26 22:17:12 2015 | ||
| read : io=20929MB, bw=178557KB/s, iops=89278, runt=120024msec | ||
| slat (usec): min=5, max=19671, avg=85.84, stdev=389.41 | ||
| clat (usec): min=3, max=354180, avg=2777.39, stdev=10958.29 | ||
| lat (usec): min=44, max=355678, avg=2863.81, stdev=10970.70 | ||
| clat percentiles (usec): | ||
| | 1.00th=[ 103], 5.00th=[ 163], 10.00th=[ 217], 20.00th=[ 322], | ||
| | 30.00th=[ 458], 40.00th=[ 724], 50.00th=[ 1544], 60.00th=[ 2160], | ||
| | 70.00th=[ 2416], 80.00th=[ 2608], 90.00th=[ 2960], 95.00th=[ 4704], | ||
| | 99.00th=[44288], 99.50th=[86528], 99.90th=[164864], 99.95th=[187392], | ||
| | 99.99th=[246784] | ||
| bw (KB /s): min= 1304, max=19972, per=6.29%, avg=11227.16, stdev=2977.23 | ||
| lat (usec) : 4=0.01%, 20=0.01%, 50=0.04%, 100=0.82%, 250=12.45% | ||
| lat (usec) : 500=18.98%, 750=8.33%, 1000=4.65% | ||
| lat (msec) : 2=11.02%, 4=37.67%, 10=3.80%, 20=0.72%, 50=0.60% | ||
| lat (msec) : 100=0.57%, 250=0.34%, 500=0.01% | ||
| cpu : usr=1.91%, sys=12.37%, ctx=961606, majf=0, minf=4308 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=10715548/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=20929MB, aggrb=178556KB/s, minb=178556KB/s, maxb=178556KB/s, mint=120024msec, maxt=120024msec | ||
|
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||
| Disk stats (read/write): | ||
| sda: ios=10696315/0, merge=1/0, ticks=16880006/0, in_queue=17249247, util=100.00% |
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| @@ -0,0 +1,32 @@ | ||
| 32ktest: (g=0): rw=randrw, bs=32K-32K/32K-32K/32K-32K, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
|
||
| 32ktest: (groupid=0, jobs=16): err= 0: pid=5254: Sat Dec 26 22:05:24 2015 | ||
| read : io=60986MB, bw=520355KB/s, iops=16261, runt=120014msec | ||
| slat (usec): min=11, max=28508, avg=505.27, stdev=2677.95 | ||
| clat (usec): min=258, max=341870, avg=15234.67, stdev=23296.34 | ||
| lat (usec): min=271, max=354643, avg=15740.21, stdev=23464.48 | ||
| clat percentiles (usec): | ||
| | 1.00th=[ 556], 5.00th=[ 892], 10.00th=[ 1640], 20.00th=[ 2416], | ||
| | 30.00th=[ 4256], 40.00th=[ 8512], 50.00th=[13632], 60.00th=[15296], | ||
| | 70.00th=[15936], 80.00th=[17280], 90.00th=[21632], 95.00th=[32640], | ||
| | 99.00th=[110080], 99.50th=[177152], 99.90th=[211968], 99.95th=[257024], | ||
| | 99.99th=[284672] | ||
| bw (KB /s): min= 2195, max=57344, per=6.32%, avg=32892.87, stdev=13934.58 | ||
| lat (usec) : 500=0.03%, 750=3.56%, 1000=2.35% | ||
| lat (msec) : 2=8.26%, 4=14.63%, 10=12.98%, 20=46.39%, 50=7.80% | ||
| lat (msec) : 100=2.04%, 250=1.89%, 500=0.08% | ||
| cpu : usr=0.44%, sys=2.07%, ctx=1036097, majf=0, minf=14902 | ||
| IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=1951559/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=60986MB, aggrb=520355KB/s, minb=520355KB/s, maxb=520355KB/s, mint=120014msec, maxt=120014msec | ||
|
|
||
| Disk stats (read/write): | ||
| sda: ios=1948003/0, merge=26/0, ticks=16488137/0, in_queue=16515970, util=100.00% |
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| 4096ktest: (g=0): rw=randrw, bs=4M-4M/4M-4M/4M-4M, ioengine=libaio, iodepth=16 | ||
| ... | ||
| fio-2.2.13 | ||
| Starting 16 processes | ||
|
|
||
| 4096ktest: (groupid=0, jobs=16): err= 0: pid=6141: Sat Dec 26 22:41:40 2015 | ||
| read : io=65692MB, bw=555599KB/s, iops=135, runt=121074msec | ||
| slat (msec): min=1, max=1032, avg=113.13, stdev=278.85 | ||
| clat (msec): min=28, max=5683, avg=1763.44, stdev=734.82 | ||
| lat (msec): min=30, max=5685, avg=1876.57, stdev=763.54 | ||
| clat percentiles (msec): | ||
| | 1.00th=[ 734], 5.00th=[ 807], 10.00th=[ 857], 20.00th=[ 988], | ||
| | 30.00th=[ 1565], 40.00th=[ 1631], 50.00th=[ 1680], 60.00th=[ 1729], | ||
| | 70.00th=[ 1827], 80.00th=[ 2442], 90.00th=[ 2671], 95.00th=[ 3294], | ||
| | 99.00th=[ 4080], 99.50th=[ 4359], 99.90th=[ 5014], 99.95th=[ 5211], | ||
| | 99.99th=[ 5342] | ||
| bw (KB /s): min= 1863, max=89237, per=6.25%, avg=34727.87, stdev=7515.93 | ||
| lat (msec) : 50=0.04%, 100=0.05%, 250=0.15%, 500=0.08%, 750=1.05% | ||
| lat (msec) : 1000=19.02%, 2000=55.32%, >=2000=24.28% | ||
| cpu : usr=0.01%, sys=2.22%, ctx=3254, majf=0, minf=91262 | ||
| IO depths : 1=0.1%, 2=0.2%, 4=0.4%, 8=0.8%, 16=98.5%, 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=99.9%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% | ||
| issued : total=r=16423/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=16 | ||
|
|
||
| Run status group 0 (all jobs): | ||
| READ: io=65692MB, aggrb=555599KB/s, minb=555599KB/s, maxb=555599KB/s, mint=121074msec, maxt=121074msec | ||
|
|
||
| Disk stats (read/write): | ||
| sda: ios=17317/0, merge=48355/0, ticks=15698577/0, in_queue=15771544, util=99.99% |
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