whoami0501 Let's talk IOPS: fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
Netcup G8 SAS: 329 / 110 - mit Schwankungen bei Min/Max
Code
test: (groupid=0, jobs=1): err= 0: pid=24441: Mon Nov 18 22:37:52 2019
read : io=3070.4MB, bw=1318.9KB/s, iops=329, runt=2383955msec
write: io=1025.8MB, bw=451152B/s, iops=110, runt=2383955msec
cpu : usr=0.47%, sys=1.74%, ctx=489228, majf=0, minf=8
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 : total=r=785996/w=262580/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=64
Run status group 0 (all jobs):
READ: io=3070.4MB, aggrb=1318KB/s, minb=1318KB/s, maxb=1318KB/s, mint=2383955msec, maxt=2383955msec
WRITE: io=1025.8MB, aggrb=440KB/s, minb=440KB/s, maxb=440KB/s, mint=2383955msec, maxt=2383955msec
Disk stats (read/write):
sda: ios=785679/264928, merge=213/2789, ticks=113435016/39714372, in_queue=153150908, util=100.00%
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Dedizierter Server, 2x SATA, zfs-mirror: 3609 / 1212
Code
test: (groupid=0, jobs=1): err= 0: pid=14226: Mon Nov 18 22:05:00 2019
read: IOPS=3599, BW=14.1MiB/s (14.7MB/s)(3070MiB/218365msec)
bw ( KiB/s): min= 8, max=107768, per=100.00%, avg=14439.23, stdev=11432.55, samples=434
iops : min= 2, max=26942, avg=3609.77, stdev=2858.15, samples=434
write: IOPS=1202, BW=4811KiB/s (4927kB/s)(1026MiB/218365msec); 0 zone resets
bw ( KiB/s): min= 8, max=36616, per=100.00%, avg=4848.42, stdev=3827.70, samples=432
iops : min= 2, max= 9154, avg=1212.07, stdev=956.94, samples=432
cpu : usr=1.68%, sys=12.24%, ctx=247646, majf=0, minf=8
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 rwts: total=785920,262656,0,0 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=14.1MiB/s (14.7MB/s), 14.1MiB/s-14.1MiB/s (14.7MB/s-14.7MB/s), io=3070MiB (3219MB), run=218365-218365msec
WRITE: bw=4811KiB/s (4927kB/s), 4811KiB/s-4811KiB/s (4927kB/s-4927kB/s), io=1026MiB (1076MB), run=218365-218365msec
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Dedizierter Testserver, 4x IBM SAS ganz ganz alt, raidz1: 239 / 80
Code
test: (groupid=0, jobs=1): err= 0: pid=31809: Mon Nov 18 22:59:48 2019
read : io=3070.4MB, bw=981821B/s, iops=239, runt=3279047msec
write: io=1025.8MB, bw=328000B/s, iops=80, runt=3279047msec
cpu : usr=0.38%, sys=1.11%, ctx=1022644, majf=0, minf=9
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 : total=r=785996/w=262580/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=64
Run status group 0 (all jobs):
READ: io=3070.4MB, aggrb=958KB/s, minb=958KB/s, maxb=958KB/s, mint=3279047msec, maxt=3279047msec
WRITE: io=1025.8MB, aggrb=320KB/s, minb=320KB/s, maxb=320KB/s, mint=3279047msec, maxt=3279047msec
Disk stats (read/write):
dm-0: ios=785999/264726, merge=0/0, ticks=179354104/30453456, in_queue=209827992, util=100.00%, aggrios=782840/264233, aggrmerge=3159/1147, aggrticks=178654336/30356808, aggrin_queue=209010640, aggrutil=100.00%
sda: ios=782840/264233, merge=3159/1147, ticks=178654336/30356808, in_queue=209010640, util=100.00%
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Fazit: ich denke bei SSD kannst du noch einiges rausholen, ich selber habe keine Netcup SSD RS im Portfolio, evtl. kann hier einer helfen.