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From Simon Weller <swel...@ena.com.INVALID>
Subject Re: Does ACS utilizes or can utilize IOThreads on KVM hosts?
Date Mon, 05 Aug 2019 15:22:27 GMT
Faiborz,

If you have virtio-scsi configured for the VM, in ACS 4.12 and later iothreads will be configured
based on the number of vCores you allocate to the VM. So if you have 4 cores, you'll have
4 iothreads.

The PR is here - https://github.com/apache/cloudstack/pull/3101

-Si

________________________________
From: Fariborz Navidan <mdvlinquest@gmail.com>
Sent: Monday, August 5, 2019 10:10 AM
To: dev@cloudstack.apache.org <dev@cloudstack.apache.org>
Subject: Does ACS utilizes or can utilize IOThreads on KVM hosts?

Hello All,

It sounds like IOThreads has a great effect on IO performance of KVM guests
if configured correctly. Does ACS supports or utilizes this feature of QEMU
and libvirt?

Thanks

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