[ovirt-users] IO Threads

Roman Nikolayevich Drovalev drovalev at kaluga-gov.ru
Mon Jun 29 03:36:23 EDT 2015


Hello all! Please HELP

I have big probleme! My vm perfomance very degraded in comparison with 
bare metall

I have very hi load database server (Lotus domino base - 1T_SSD)

IOPS bare metall - 150 K read (block 4K)
VM - 50 K

 At the client the document opens 5-10 seconds, instead of 1 second on the 
bare metall


Question: how to involve IO Threads in oVirt now,  through ovirt-shell or 
edit directly a config files ?

I know that in 3.6 will be, but it is necessary now!

http://www.ovirt.org/Features/IOThreads_Support

oVirt - 3.5.3.1 , 
host - centos 7.1, KVM 2.1.2 - 23.el7_1.3.1, libvirt-1.2.8-16.el7_1.3, 
vdsm-4.16.20-0.el7.centos

Drovalev Roman
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