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

From: Artem Tomyuk <admin(at)leboutique(dot)com>
To: Michael Nolan <htfoot(at)gmail(dot)com>
Cc: "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 15:27:04
Message-ID: CANYYVq+UHiZZo7Nv4BZAobAHM+rAe=rRgan_Lyc6_qxbhzzxew@mail.gmail.com
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I didn't compare impact of virtualization on other hypervisors yet.

2016-04-26 18:21 GMT+03:00 Michael Nolan <htfoot(at)gmail(dot)com>:

>
>
> On Tue, Apr 26, 2016 at 10:03 AM, Artem Tomyuk <admin(at)leboutique(dot)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
>

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