hi!
bediene ich fio falsch, kann ich das VServer IOPS Comparison Sheet nicht richtig deuten oder ist die IO Performnace der Wiener Server (hier ein RS 1000 G9 a1, netcup Debian 11 image) einfach nicht so gut?
ausm Sheet hätte ich für solch einen server 33/11 kIOPS R/W gelesen, ich erhalte hier aber nur 23/7, das ist weniger als 70% vom im Sheet gemessenen wert. oder streut das so arg?
Code
fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test1 --filename=test1 --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test1: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.25
Starting 1 process
Jobs: 1 (f=1): [m(1)][100.0%][r=124MiB/s,w=40.5MiB/s][r=31.7k,w=10.4k IOPS][eta 00m:00s]
test1: (groupid=0, jobs=1): err= 0: pid=547: Wed Feb 2 00:37:58 2022
read: IOPS=23.0k, BW=90.0MiB/s (94.4MB/s)(3070MiB/34098msec)
bw ( KiB/s): min=67688, max=134984, per=100.00%, avg=92292.78, stdev=9200.26, samples=68
iops : min=16922, max=33746, avg=23073.19, stdev=2300.07, samples=68
write: IOPS=7702, BW=30.1MiB/s (31.6MB/s)(1026MiB/34098msec); 0 zone resets
bw ( KiB/s): min=22712, max=44536, per=100.00%, avg=30842.93, stdev=2966.17, samples=68
iops : min= 5678, max=11134, avg=7710.72, stdev=741.55, samples=68
cpu : usr=3.51%, sys=18.37%, ctx=445152, majf=0, minf=6
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=90.0MiB/s (94.4MB/s), 90.0MiB/s-90.0MiB/s (94.4MB/s-94.4MB/s), io=3070MiB (3219MB), run=34098-34098msec
WRITE: bw=30.1MiB/s (31.6MB/s), 30.1MiB/s-30.1MiB/s (31.6MB/s-31.6MB/s), io=1026MiB (1076MB), run=34098-34098msec
Disk stats (read/write):
sda: ios=780614/260882, merge=0/10, ticks=1341808/764094, in_queue=2105902, util=99.77%
Alles anzeigen
gre3tings, Klaus