Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Artem Tomyuk <admin(at)leboutique(dot)com>
Cc: Michael Nolan <htfoot(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Poor disk (virtio) Performance Inside KVM virt-machine vs host machine
Date: 2016-04-26 20:52:38
Message-ID: CAHyXU0yunNBFouzi9e9L9PWTexhqff_BSZiQrC-2wkO05JVFvg@mail.gmail.com
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On Tue, Apr 26, 2016 at 10:27 AM, Artem Tomyuk <admin(at)leboutique(dot)com> wrote:
> I didn't compare impact of virtualization on other hypervisors yet.

My rule of thumb is 50% hit for 1:1 host:guest. Virtualization is
not free. If that's a pain try using 100% native solutions (docker,
etc)

merlin

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