From: Rik van Riel <riel@redhat.com>
To: dbareiro@gmx.net, KVM General <kvm@vger.kernel.org>,
"hugh.dickins@tiscali.co.uk" <hugh.dickins@tiscali.co.uk>
Subject: Re: Swap usage with KVM
Date: Sun, 11 Jul 2010 17:49:43 -0400 [thread overview]
Message-ID: <4C3A3C77.2010408@redhat.com> (raw)
In-Reply-To: <20100711191227.GD9267@defiant.freesoftware>
On 07/11/2010 03:12 PM, Daniel Bareiro wrote:
> On Sunday, 11 July 2010 12:12:57 -0300,
> Daniel Bareiro wrote:
>
>> I have an installation with Debian GNU/Linux 5.0.4 amd64 with qemu-kvm
>> 0.12.3 compiled with the source code obtained from the official site
>> of KVM and Linux 2.6.32.12 compiled from source code of kernel.org.
>> All this is installed on an HP Proliant DL380 G6 with two Xeon E5530
>> quadcore processors and 16 GiB of RAM which has two VMs with the
>> following configuration of memory:
>>
>> Hostname | RAM
>> ===============+===============
>> Aps4 | 7 GiB
>> Leela | 7 GiB
>> ===============+===============
>> TOTAL | 14 GiB
>>
>> Initially the host was created with a swap partition of 1 GiB, but
>> today we found that the use of swap quickly began to grow
>> increasingly. Therefore, as a contingency, we had to hot-add a
>> logical volume of 1 GB of swap on the VMHost. Is 'normal' this use of
>> memory?
That depends on what is going on in the host.
Did you notice any performance issues in the guest when
you started using swap?
> Has anyone experienced something like this? Avi? I remember late last
> year there was a regression in Linux swapping and Rik and Hugh were
> working on it. Are you aware of any?
That one should have been fixed.
--
All rights reversed
next prev parent reply other threads:[~2010-07-11 21:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-11 15:12 Swap usage with KVM Daniel Bareiro
2010-07-11 19:12 ` Daniel Bareiro
2010-07-11 21:49 ` Rik van Riel [this message]
2010-08-02 18:57 ` Daniel Bareiro
2010-08-02 19:31 ` Rik van Riel
2010-08-02 19:52 ` Daniel Bareiro
2010-08-02 20:22 ` Rik van Riel
2010-08-02 21:43 ` Daniel Bareiro
2010-08-27 10:04 ` Swap usage with KVM (and KSM) Daniel Bareiro
2010-08-27 13:42 ` Rik van Riel
2010-07-11 21:05 ` Swap usage with KVM Freddie Cash
2010-07-11 22:08 ` Daniel Bareiro
2010-07-20 15:04 ` Daniel Bareiro
2010-07-20 19:18 ` David Weber
2010-07-22 10:09 ` Daniel Bareiro
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