Linode: Should I migrate from Xen to KVM (Worse Stream Performance)

Answer: I don't know...
I got worse single thread performance after migration.

11341 MB/s --> 9594 MB/s

Linode "Xen" Node "Stream" Performance @ 2015/06/25

代碼:




-------------------------------------------------------------


Function      Rate (MB/s)   Avg time     Min time     Max time


Copy:        9321.3229       0.0037       0.0034       0.0041


Scale:      10873.1147       0.0030       0.0029       0.0032


Add:        10695.2078       0.0047       0.0045       0.0049


Triad:      11341.7042       0.0045       0.0042       0.0047


-------------------------------------------------------------

Linode "KVM" Node "Stream" Performance @ 2015/06/25

代碼:




-------------------------------------------------------------


Function      Rate (MB/s)   Avg time     Min time     Max time


Copy:        8672.0765       0.0038       0.0037       0.0040


Scale:       9846.5063       0.0033       0.0032       0.0033


Add:         9579.2260       0.0051       0.0050       0.0053


Triad:       9594.2905       0.0051       0.0050       0.0051


-------------------------------------------------------------

upgrade-Xen-to-KVM.jpg

Linode-upgrade-to-KVM.jpg

Linode-migrate-to-KVM-schedule.jpg

linode-KVM-auto-migrate-from-Xen.jpg

________________

美術插畫設計案子報價系統 v0.1 Beta
爪哇禾雀

Re: Linode: Should I migrate from Xen to KVM (Worse Performance) 2015-06-26 09:16

/ / /

The linode team migrated my KVM node to another host, much better

Linode "KVM" New Node "Stream" Performance @ 2015/06/26, 2nd Migration

The linode team migrated my KVM node to another host, much better!
The ping-response time reduced 10ms as well! (why?)

Anyway, it looks to be equivalent to (or a little better compared to)
original Xen VM host. Thanks.

代碼:




Function      Rate (MB/s)   Avg time     Min time     Max time


Copy:        9629.6261       0.0034       0.0033       0.0035


Scale:      11208.1610       0.0029       0.0029       0.0029


Add:        11890.3019       0.0041       0.0040       0.0042


Triad:      11524.7920       0.0042       0.0042       0.0044