From: Avi Kivity <avi@redhat.com>
To: rek2 <rek2@binaryfreedom.info>
Cc: tfjellstrom@shaw.ca, kvm@vger.kernel.org
Subject: Re: Memory under KVM?
Date: Tue, 15 Dec 2009 12:07:55 +0200 [thread overview]
Message-ID: <4B275FFB.9010806@redhat.com> (raw)
In-Reply-To: <4B265EB1.3070609@binaryfreedom.info>
On 12/14/2009 05:50 PM, rek2 wrote:
>
>> VIRT includes a lot of shared memory, so it's not a very useful
>> number to
>> look at when trying to gauge how much memory a process is using.
>>
> Ok, so then what stats should we look to calculate the amount of
> memory a server should have depending on how many guests we will like
> to use?
The -m parameter to qemu, plus some overhead. If you use ksm or
ballooning or ssd swap you can overcommit, how much depends on your
workload.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-12-15 10:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-11 21:43 Memory under KVM? rek2
2009-12-11 22:54 ` Brian Jackson
2009-12-12 8:09 ` Avi Kivity
2009-12-12 20:37 ` Thomas Fjellstrom
2009-12-13 10:08 ` Avi Kivity
2009-12-13 16:41 ` Thomas Fjellstrom
2009-12-13 16:45 ` Avi Kivity
2009-12-13 17:16 ` Thomas Fjellstrom
2009-12-15 10:06 ` Avi Kivity
2009-12-15 23:21 ` Thomas Fjellstrom
2009-12-16 9:55 ` Avi Kivity
2009-12-16 9:58 ` Thomas Fjellstrom
2009-12-16 10:00 ` Avi Kivity
2009-12-16 10:09 ` Thomas Fjellstrom
2009-12-13 20:23 ` rek2
2009-12-13 21:42 ` Thomas Fjellstrom
2009-12-13 22:06 ` rek2
2009-12-14 15:50 ` rek2
2009-12-14 19:57 ` Thomas Fjellstrom
2009-12-15 10:07 ` Avi Kivity [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-12-10 22:10 Christian Fernandez
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