Das sind eher Werte die eine SAS-Festplatte locker schafft, eventuell bist du doch nicht auf einer SSD?
Beiträge von iamtim
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Ich habe noch mal fix gemessen:
netcup vServer M V6 (SSD):
PHP
Alles anzeigentim@isaac:~$ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75 test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64 fio-2.1.3 Starting 1 process test: Laying out IO file(s) (1 file(s) / 4096MB) Jobs: 1 (f=1): [m] [100.0% done] [10493KB/3484KB/0KB /s] [2623/871/0 iops] [eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=21699: Tue Jun 14 11:23:30 2016 read : io=3071.7MB, bw=24711KB/s, iops=6177, runt=127286msec write: io=1024.4MB, bw=8240.7KB/s, iops=2060, runt=127286msec cpu : usr=4.10%, sys=15.17%, ctx=394142, 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 : total=r=786347/w=262229/d=0, short=r=0/w=0/d=0 Run status group 0 (all jobs): READ: io=3071.7MB, aggrb=24711KB/s, minb=24711KB/s, maxb=24711KB/s, mint=127286msec, maxt=127286msec WRITE: io=1024.4MB, aggrb=8240KB/s, minb=8240KB/s, maxb=8240KB/s, mint=127286msec, maxt=127286msec Disk stats (read/write): vda: ios=785969/262243, merge=0/99, ticks=7602560/433112, in_queue=8037364, util=100.00%die mit der Wolke im Logo:
PHP
Alles anzeigenroot@ubuntu-2gb-fra1-01:~# fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75 test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64 fio-2.2.10 Starting 1 process test: Laying out IO file(s) (1 file(s) / 4096MB) Jobs: 1 (f=1): [m(1)] [100.0% done] [99.73MB/34657KB/0KB /s] [25.6K/8664/0 iops] [eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=2466: Tue Jun 14 05:28:48 2016 read : io=3071.7MB, bw=103276KB/s, iops=25819, runt= 30456msec write: io=1024.4MB, bw=34440KB/s, iops=8610, runt= 30456msec cpu : usr=9.46%, sys=26.70%, ctx=109432, 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=786347/w=262229/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=3071.7MB, aggrb=103276KB/s, minb=103276KB/s, maxb=103276KB/s, mint=30456msec, maxt=30456msec WRITE: io=1024.4MB, aggrb=34440KB/s, minb=34440KB/s, maxb=34440KB/s, mint=30456msec, maxt=30456msec Disk stats (read/write): vda: ios=780621/260181, merge=0/9, ticks=236408/1606752, in_queue=1843760, util=99.79%Das ist schon deutlich schneller, die Kiste ist allerdings auch etwas teurer.
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Nur irgendwie sagen die Werte am Ende doch relativ wenig aus oder? Man müsste eventuell mal iops messen?
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Hier schaut es deutlich besser aus:
vServer M V6
PHPhdparm -tT --direct /dev/vda1 /dev/vda1: Timing O_DIRECT cached reads: 1666 MB in 2.00 seconds = 832.82 MB/sec Timing O_DIRECT disk reads: 4096 MB in 1.78 seconds = 2305.93 MB/secViele Grüße
Tim -
Mich würde das Thema auch interessieren, ich finde die SSD-Versionen sind etwas klein geraten.