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Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine - Mailing list pgsql-performance

From	Michael Nolan
Subject	Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine
Date	April 26, 2016 18:21:21
Msg-id	CAOzAquJCgprdUC2W9MSR8XsjAhE+YZ1nyrnr_rhp_=owzn0WGA@mail.gmail.com Whole thread Raw
In response to	Poor disk (virtio) Performance Inside KVM virt-machine vs host machine (Artem Tomyuk <admin@leboutique.com>)
Responses	Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine (Artem Tomyuk <admin@leboutique.com>) Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine (Alan Hodgson <ahodgson@lists.simkin.ca>)
List	pgsql-performance

On Tue, Apr 26, 2016 at 10:03 AM, Artem Tomyuk <admin@leboutique.com> wrote:

Hi All.

I've noticed that there is a huge (more than ~3x slower) performance difference between KVM guest and host machine.

Is this unique to KVM, or do similar things happen with other virtualizers?

Mike Nolan

From: Imre Samu
Date: 26 April 2016, 17:32:35
Subject: Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine

From: Artem Tomyuk
Date: 26 April 2016, 18:27:29
Subject: Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine