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6x SSD Faster then Storage Optimized
Testing a memory optimized with 6x SSD has shown equal or better performance than storage optimized droplets for the same price: fio --name=read_throughput --directory=/ --numjobs=8 --size=10G --time_based --runtime=60s --ramp_time=2s --ioengine=libaio --direct=1 --verify=0 --bs=1M --iodepth=64 --rw=read --group_reporting=1 fio --name=read_iops --directory=/ --size=10G \ --time_based --runtime=60s --ramp_time=2s --ioengine=libaio --direct=1 \ --verify=0 --bs=4K --iodepth=64 --rw=randread --group_reporting=1 ######## NVME ## THRU Jobs: 8 (f=8): [R(8)][100.0%][r=13.6GiB/s][r=13.9k IOPS][eta 00m:00s] read_throughput: (groupid=0, jobs=8): err= 0: pid=9740: Sat Jun 25 01:25:52 2022 read: IOPS=13.7k, BW=13.4GiB/s (14.4GB/s)(806GiB/60059msec) slat (usec): min=22, max=32618, avg=76.91, stdev=580.11 clat (usec): min=577, max=258835, avg=37194.29, stdev=22028.11 lat (usec): min=619, max=258859, avg=37271.36, stdev=22027.95 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 17], 40.00th=[ 24], 50.00th=[ 46], 60.00th=[ 52], | 70.00th=[ 55], 80.00th=[ 57], 90.00th=[ 61], 95.00th=[ 63], | 99.00th=[ 79], 99.50th=[ 86], 99.90th=[ 106], 99.95th=[ 213], | 99.99th=[ 253] bw ( MiB/s): min= 8924, max=17148, per=100.00%, avg=13739.84, stdev=139.60, samples=960 iops : min= 8924, max=17148, avg=13739.52, stdev=139.60, samples=960 lat (usec) : 750=0.01%, 1000=0.01% lat (msec) : 2=0.12%, 4=0.70%, 10=10.77%, 20=25.01%, 50=19.16% lat (msec) : 100=44.17%, 250=0.11%, 500=0.01% cpu : usr=0.41%, sys=6.98%, ctx=156351, majf=0, minf=121 IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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 rwts: total=824690,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=13.4GiB/s (14.4GB/s), 13.4GiB/s-13.4GiB/s (14.4GB/s-14.4GB/s), io=806GiB (865GB), run=60059-60059msec Disk stats (read/write): vda: ios=852279/8, merge=0/6, ticks=30889457/78, in_queue=29191284, util=99.92% ## IOPS Jobs: 1 (f=0): [f(1)][100.0%][r=456MiB/s][r=117k IOPS][eta 00m:00s] read_iops: (groupid=0, jobs=1): err= 0: pid=9762: Sat Jun 25 01:27:48 2022 read: IOPS=110k, BW=430MiB/s (451MB/s)(25.2GiB/60001msec) slat (nsec): min=1389, max=329814, avg=2709.85, stdev=2690.83 clat (usec): min=66, max=197563, avg=578.30, stdev=627.60 lat (usec): min=72, max=197568, avg=581.15, stdev=627.64 clat percentiles (usec): | 1.00th=[ 285], 5.00th=[ 433], 10.00th=[ 469], 20.00th=[ 502], | 30.00th=[ 523], 40.00th=[ 537], 50.00th=[ 553], 60.00th=[ 578], | 70.00th=[ 603], 80.00th=[ 635], 90.00th=[ 717], 95.00th=[ 799], | 99.00th=[ 955], 99.50th=[ 1074], 99.90th=[ 1549], 99.95th=[ 2409], | 99.99th=[ 3523] bw ( KiB/s): min=289856, max=478088, per=99.93%, avg=439767.21, stdev=37689.60, samples=119 iops : min=72464, max=119522, avg=109941.82, stdev=9422.37, samples=119 lat (usec) : 100=0.01%, 250=0.51%, 500=19.20%, 750=72.73%, 1000=6.88% lat (msec) : 2=0.61%, 4=0.06%, 10=0.01%, 250=0.01% cpu : usr=13.55%, sys=31.91%, ctx=153655, majf=0, minf=15 IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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 rwts: total=6601173,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=430MiB/s (451MB/s), 430MiB/s-430MiB/s (451MB/s-451MB/s), io=25.2GiB (27.0GB), run=60001-60001msec Disk stats (read/write): vda: ios=6766939/45, merge=0/13, ticks=3325921/97, in_queue=14200, util=99.94% ######## SSD ## THRU Jobs: 8 (f=8): [R(8)][100.0%][r=13.4GiB/s][r=13.7k IOPS][eta 00m:00s] read_throughput: (groupid=0, jobs=8): err= 0: pid=9570: Sat Jun 25 01:25:54 2022 read: IOPS=13.6k, BW=13.2GiB/s (14.2GB/s)(795GiB/60065msec) slat (usec): min=22, max=12420, avg=31.65, stdev=36.81 clat (usec): min=560, max=283005, avg=37732.02, stdev=25813.05 lat (usec): min=589, max=283035, avg=37763.83, stdev=25812.54 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 12], 40.00th=[ 16], 50.00th=[ 55], 60.00th=[ 58], | 70.00th=[ 60], 80.00th=[ 62], 90.00th=[ 64], 95.00th=[ 66], | 99.00th=[ 70], 99.50th=[ 75], 99.90th=[ 101], 99.95th=[ 234], | 99.99th=[ 268] bw ( MiB/s): min= 8592, max=16264, per=100.00%, avg=13566.50, stdev=141.26, samples=960 iops : min= 8592, max=16264, avg=13566.37, stdev=141.26, samples=960 lat (usec) : 750=0.01%, 1000=0.02% lat (msec) : 2=0.31%, 4=2.09%, 10=22.29%, 20=17.93%, 50=4.19% lat (msec) : 100=53.13%, 250=0.07%, 500=0.03% cpu : usr=0.35%, sys=6.01%, ctx=179346, majf=0, minf=120 IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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 rwts: total=814044,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=13.2GiB/s (14.2GB/s), 13.2GiB/s-13.2GiB/s (14.2GB/s-14.2GB/s), io=795GiB (854GB), run=60065-60065msec Disk stats (read/write): vda: ios=841432/9, merge=0/6, ticks=31487885/88, in_queue=29799008, util=99.91% ## IOPS Jobs: 1 (f=1): [r(1)][100.0%][r=668MiB/s][r=171k IOPS][eta 00m:00s] read_iops: (groupid=0, jobs=1): err= 0: pid=9583: Sat Jun 25 01:27:51 2022 read: IOPS=169k, BW=662MiB/s (694MB/s)(38.8GiB/60001msec) slat (nsec): min=1342, max=1457.7k, avg=2231.97, stdev=2302.64 clat (usec): min=63, max=209278, avg=374.86, stdev=532.05 lat (usec): min=65, max=209280, avg=377.21, stdev=532.01 clat percentiles (usec): | 1.00th=[ 184], 5.00th=[ 227], 10.00th=[ 265], 20.00th=[ 310], | 30.00th=[ 338], 40.00th=[ 359], 50.00th=[ 379], 60.00th=[ 396], | 70.00th=[ 412], 80.00th=[ 433], 90.00th=[ 465], 95.00th=[ 498], | 99.00th=[ 578], 99.50th=[ 611], 99.90th=[ 791], 99.95th=[ 1074], | 99.99th=[ 2868] bw ( KiB/s): min=389856, max=695352, per=99.97%, avg=677802.49, stdev=27009.39, samples=119 iops : min=97464, max=173838, avg=169450.62, stdev=6752.34, samples=119 lat (usec) : 100=0.01%, 250=8.10%, 500=87.27%, 750=4.49%, 1000=0.07% lat (msec) : 2=0.03%, 4=0.02%, 10=0.01%, 20=0.01%, 250=0.01% cpu : usr=16.54%, sys=42.12%, ctx=297261, majf=0, minf=15 IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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 rwts: total=10169867,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=662MiB/s (694MB/s), 662MiB/s-662MiB/s (694MB/s-694MB/s), io=38.8GiB (41.7GB), run=60001-60001msec Disk stats (read/write): vda: ios=10510477/108, merge=0/39, ticks=3299339/275, in_queue=14304, util=99.88%
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