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| $fio -ioengine=libaio -bs=4k -direct=1 -buffered=1 -thread -rw=randrw -size=4G -filename=/home/admin/fio.test -name="EBS 4K randwrite test" -iodepth=64 -runtime=60 EBS 4K randwrite test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.1 Starting 1 thread Jobs: 1 (f=1): [m(1)][100.0%][r=10.8MiB/s,w=11.2MiB/s][r=2757,w=2876 IOPS][eta 00m:00s] EBS 4K randwrite test: (groupid=0, jobs=1): err= 0: pid=25641: Tue Feb 23 16:35:19 2021 read: IOPS=2136, BW=8545KiB/s (8750kB/s)(501MiB/60001msec) slat (usec): min=190, max=830992, avg=457.20, stdev=3088.80 clat (nsec): min=1792, max=1721.3M, avg=14657528.60, stdev=63188988.75 lat (usec): min=344, max=1751.1k, avg=15115.20, stdev=65165.80 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 10], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 11], | 70.00th=[ 12], 80.00th=[ 12], 90.00th=[ 13], 95.00th=[ 14], | 99.00th=[ 17], 99.50th=[ 53], 99.90th=[ 1028], 99.95th=[ 1167], | 99.99th=[ 1653] bw ( KiB/s): min= 56, max=12648, per=100.00%, avg=8598.92, stdev=5289.40, samples=118 iops : min= 14, max= 3162, avg=2149.73, stdev=1322.35, samples=118 write: IOPS=2137, BW=8548KiB/s (8753kB/s)(501MiB/60001msec) slat (usec): min=2, max=181, avg= 6.67, stdev= 7.22 clat (usec): min=628, max=1721.1k, avg=14825.32, stdev=65017.66 lat (usec): min=636, max=1721.1k, avg=14832.10, stdev=65018.10 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 10], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 11], | 70.00th=[ 12], 80.00th=[ 12], 90.00th=[ 13], 95.00th=[ 14], | 99.00th=[ 17], 99.50th=[ 53], 99.90th=[ 1045], 99.95th=[ 1200], | 99.99th=[ 1687] bw ( KiB/s): min= 72, max=13304, per=100.00%, avg=8602.99, stdev=5296.31, samples=118 iops : min= 18, max= 3326, avg=2150.75, stdev=1324.08, samples=118 lat (usec) : 2=0.01%, 500=0.01%, 750=0.01% lat (msec) : 2=0.01%, 4=0.01%, 10=37.85%, 20=61.53%, 50=0.10% lat (msec) : 100=0.06%, 250=0.03%, 500=0.01%, 750=0.03%, 1000=0.25% lat (msec) : 2000=0.14% cpu : usr=0.70%, sys=4.01%, ctx=135029, majf=0, minf=4 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1%, >=64=0.0% issued rwt: total=128180,128223,0, short=0,0,0, dropped=0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs): READ: bw=8545KiB/s (8750kB/s), 8545KiB/s-8545KiB/s (8750kB/s-8750kB/s), io=501MiB (525MB), run=60001-60001msec WRITE: bw=8548KiB/s (8753kB/s), 8548KiB/s-8548KiB/s (8753kB/s-8753kB/s), io=501MiB (525MB), run=60001-60001msec
Disk stats (read/write): vda: ios=127922/87337, merge=0/237, ticks=55122/4269885, in_queue=2209125, util=94.29%
$fio -ioengine=libaio -bs=4k -direct=1 -buffered=0 -thread -rw=randrw -size=4G -filename=/home/admin/fio.test -name="EBS 4K randwrite test" -iodepth=64 -runtime=60 EBS 4K randwrite test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.1 Starting 1 thread Jobs: 1 (f=1): [m(1)][100.0%][r=9680KiB/s,w=9712KiB/s][r=2420,w=2428 IOPS][eta 00m:00s] EBS 4K randwrite test: (groupid=0, jobs=1): err= 0: pid=25375: Tue Feb 23 16:33:03 2021 read: IOPS=2462, BW=9849KiB/s (10.1MB/s)(577MiB/60011msec) slat (nsec): min=1558, max=10663k, avg=5900.28, stdev=46286.64 clat (usec): min=290, max=93493, avg=13054.57, stdev=4301.89 lat (usec): min=332, max=93497, avg=13060.60, stdev=4301.68 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[10159], 10.00th=[10290], 20.00th=[10421], | 30.00th=[10552], 40.00th=[10552], 50.00th=[10683], 60.00th=[10814], | 70.00th=[18482], 80.00th=[19006], 90.00th=[19006], 95.00th=[19268], | 99.00th=[19530], 99.50th=[19792], 99.90th=[29492], 99.95th=[30278], | 99.99th=[43779] bw ( KiB/s): min= 9128, max=30392, per=100.00%, avg=9850.12, stdev=1902.00, samples=120 iops : min= 2282, max= 7598, avg=2462.52, stdev=475.50, samples=120 write: IOPS=2465, BW=9864KiB/s (10.1MB/s)(578MiB/60011msec) slat (usec): min=2, max=10586, avg= 6.92, stdev=67.34 clat (usec): min=240, max=69922, avg=12902.33, stdev=4307.92 lat (usec): min=244, max=69927, avg=12909.37, stdev=4307.03 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[10159], 10.00th=[10290], 20.00th=[10290], | 30.00th=[10421], 40.00th=[10421], 50.00th=[10552], 60.00th=[10683], | 70.00th=[18220], 80.00th=[18744], 90.00th=[19006], 95.00th=[19006], | 99.00th=[19268], 99.50th=[19530], 99.90th=[21103], 99.95th=[35390], | 99.99th=[50594] bw ( KiB/s): min= 8496, max=31352, per=100.00%, avg=9862.92, stdev=1991.48, samples=120 iops : min= 2124, max= 7838, avg=2465.72, stdev=497.87, samples=120 lat (usec) : 250=0.01%, 500=0.03%, 750=0.02%, 1000=0.02% lat (msec) : 2=1.70%, 4=0.41%, 10=1.25%, 20=96.22%, 50=0.34% lat (msec) : 100=0.01% cpu : usr=0.89%, sys=4.09%, ctx=206337, majf=0, minf=4 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1%, >=64=0.0% issued rwt: total=147768,147981,0, short=0,0,0, dropped=0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs): READ: bw=9849KiB/s (10.1MB/s), 9849KiB/s-9849KiB/s (10.1MB/s-10.1MB/s), io=577MiB (605MB), run=60011-60011msec WRITE: bw=9864KiB/s (10.1MB/s), 9864KiB/s-9864KiB/s (10.1MB/s-10.1MB/s), io=578MiB (606MB), run=60011-60011msec
Disk stats (read/write): vda: ios=147515/148154, merge=0/231, ticks=1922378/1915751, in_queue=3780605, util=98.46% $fio -ioengine=libaio -bs=4k -direct=0 -buffered=1 -thread -rw=randrw -size=4G -filename=/home/admin/fio.test -name="EBS 4K randwrite test" -iodepth=64 -runtime=60 EBS 4K randwrite test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.1 Starting 1 thread Jobs: 1 (f=1): [m(1)][100.0%][r=132KiB/s,w=148KiB/s][r=33,w=37 IOPS][eta 00m:00s] EBS 4K randwrite test: (groupid=0, jobs=1): err= 0: pid=25892: Tue Feb 23 16:37:41 2021 read: IOPS=1987, BW=7949KiB/s (8140kB/s)(467MiB/60150msec) slat (usec): min=192, max=599873, avg=479.26, stdev=2917.52 clat (usec): min=15, max=1975.6k, avg=16004.22, stdev=76024.60 lat (msec): min=5, max=2005, avg=16.48, stdev=78.00 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 10], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 11], | 70.00th=[ 12], 80.00th=[ 12], 90.00th=[ 13], 95.00th=[ 14], | 99.00th=[ 19], 99.50th=[ 317], 99.90th=[ 1133], 99.95th=[ 1435], | 99.99th=[ 1871] bw ( KiB/s): min= 32, max=12672, per=100.00%, avg=8034.08, stdev=5399.63, samples=119 iops : min= 8, max= 3168, avg=2008.52, stdev=1349.91, samples=119 write: IOPS=1984, BW=7937KiB/s (8127kB/s)(466MiB/60150msec) slat (usec): min=2, max=839634, avg=18.39, stdev=2747.10 clat (msec): min=5, max=1975, avg=15.64, stdev=73.06 lat (msec): min=5, max=1975, avg=15.66, stdev=73.28 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 10], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 11], | 70.00th=[ 12], 80.00th=[ 12], 90.00th=[ 13], 95.00th=[ 14], | 99.00th=[ 18], 99.50th=[ 153], 99.90th=[ 1116], 99.95th=[ 1435], | 99.99th=[ 1921] bw ( KiB/s): min= 24, max=13160, per=100.00%, avg=8021.18, stdev=5405.12, samples=119 iops : min= 6, max= 3290, avg=2005.29, stdev=1351.28, samples=119 lat (usec) : 20=0.01% lat (msec) : 10=36.51%, 20=62.63%, 50=0.21%, 100=0.12%, 250=0.05% lat (msec) : 500=0.02%, 750=0.02%, 1000=0.19%, 2000=0.26% cpu : usr=0.62%, sys=4.04%, ctx=125974, majf=0, minf=3 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1%, >=64=0.0% issued rwt: total=119533,119347,0, short=0,0,0, dropped=0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs): READ: bw=7949KiB/s (8140kB/s), 7949KiB/s-7949KiB/s (8140kB/s-8140kB/s), io=467MiB (490MB), run=60150-60150msec WRITE: bw=7937KiB/s (8127kB/s), 7937KiB/s-7937KiB/s (8127kB/s-8127kB/s), io=466MiB (489MB), run=60150-60150msec
Disk stats (read/write): vda: ios=119533/108186, merge=0/214, ticks=54093/4937255, in_queue=2525052, util=93.99% $fio -ioengine=libaio -bs=4k -direct=0 -buffered=0 -thread -rw=randrw -size=4G -filename=/home/admin/fio.test -name="EBS 4K randwrite test" -iodepth=64 -runtime=60 EBS 4K randwrite test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.1 Starting 1 thread Jobs: 1 (f=1): [m(1)][100.0%][r=9644KiB/s,w=9792KiB/s][r=2411,w=2448 IOPS][eta 00m:00s] EBS 4K randwrite test: (groupid=0, jobs=1): err= 0: pid=26139: Tue Feb 23 16:39:43 2021 read: IOPS=2455, BW=9823KiB/s (10.1MB/s)(576MiB/60015msec) slat (nsec): min=1619, max=18282k, avg=5882.81, stdev=71214.52 clat (usec): min=281, max=64630, avg=13055.68, stdev=4233.17 lat (usec): min=323, max=64636, avg=13061.69, stdev=4232.79 clat percentiles (usec): | 1.00th=[ 2040], 5.00th=[10290], 10.00th=[10421], 20.00th=[10421], | 30.00th=[10552], 40.00th=[10552], 50.00th=[10683], 60.00th=[10814], | 70.00th=[18220], 80.00th=[19006], 90.00th=[19006], 95.00th=[19268], | 99.00th=[19530], 99.50th=[20055], 99.90th=[28967], 99.95th=[29754], | 99.99th=[30540] bw ( KiB/s): min= 8776, max=27648, per=100.00%, avg=9824.29, stdev=1655.78, samples=120 iops : min= 2194, max= 6912, avg=2456.05, stdev=413.95, samples=120 write: IOPS=2458, BW=9835KiB/s (10.1MB/s)(576MiB/60015msec) slat (usec): min=2, max=10681, avg= 6.79, stdev=71.30 clat (usec): min=221, max=70411, avg=12909.50, stdev=4312.40 lat (usec): min=225, max=70414, avg=12916.40, stdev=4312.05 clat percentiles (usec): | 1.00th=[ 1909], 5.00th=[10159], 10.00th=[10290], 20.00th=[10290], | 30.00th=[10421], 40.00th=[10421], 50.00th=[10552], 60.00th=[10683], | 70.00th=[18220], 80.00th=[18744], 90.00th=[19006], 95.00th=[19006], | 99.00th=[19268], 99.50th=[19530], 99.90th=[28705], 99.95th=[40109], | 99.99th=[60031] bw ( KiB/s): min= 8568, max=28544, per=100.00%, avg=9836.03, stdev=1737.29, samples=120 iops : min= 2142, max= 7136, avg=2458.98, stdev=434.32, samples=120 lat (usec) : 250=0.01%, 500=0.03%, 750=0.02%, 1000=0.02% lat (msec) : 2=1.03%, 4=1.10%, 10=0.98%, 20=96.43%, 50=0.38% lat (msec) : 100=0.01% cpu : usr=0.82%, sys=4.32%, ctx=212008, majf=0, minf=4 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1%, >=64=0.0% issued rwt: total=147386,147564,0, short=0,0,0, dropped=0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs): READ: bw=9823KiB/s (10.1MB/s), 9823KiB/s-9823KiB/s (10.1MB/s-10.1MB/s), io=576MiB (604MB), run=60015-60015msec WRITE: bw=9835KiB/s (10.1MB/s), 9835KiB/s-9835KiB/s (10.1MB/s-10.1MB/s), io=576MiB (604MB), run=60015-60015msec
Disk stats (read/write): vda: ios=147097/147865, merge=0/241, ticks=1916703/1915836, in_queue=3791443, util=98.68%
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