From: Michael Tokarev <mjt@tls.msk.ru>
To: Avi Kivity <avi@redhat.com>
Cc: Erik Jacobson <erikj@sgi.com>, kvm@vger.kernel.org
Subject: Re: slow guest performance with build load, looking for ideas
Date: Tue, 16 Jun 2009 11:03:29 +0400 [thread overview]
Message-ID: <4A3743C1.6090108@msgid.tls.msk.ru> (raw)
In-Reply-To: <4A36685E.7090003@redhat.com>
Avi Kivity wrote:
> On 06/15/2009 06:25 PM, Michael Tokarev wrote:
>> Avi Kivity wrote:
>>> On 06/15/2009 05:15 PM, Erik Jacobson wrote:
>> []
>>>> So if I understand what you're saying: best not to use kvm guests for build
>>>> servers with pre-Nehalem processors.
>>>
>>> pre-Nehalem / pre-Barcelona, > 4 vcpus, yes.
>>
>> How about 2 vcpus, and how about AMD processors ?
>
> 2 vcpus (or 4) should be fine. AMD processors (Barcelona+) would be
> good for any number of vcpus.
Hmm.. that's sorta good (not so good for owners of most
Intel CPUs -- Nehalem just started its life). But still
confusing. Namely, 2..4 vcpus per GUEST or HOST -- for
the ore-Nehalem ones? :)
Thanks!
/mjt
next prev parent reply other threads:[~2009-06-16 7:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-12 21:04 slow guest performance with build load, looking for ideas Erik Jacobson
2009-06-14 9:33 ` Avi Kivity
2009-06-15 14:15 ` Erik Jacobson
2009-06-15 14:24 ` Avi Kivity
2009-06-15 15:25 ` Michael Tokarev
2009-06-15 15:27 ` Avi Kivity
2009-06-16 7:03 ` Michael Tokarev [this message]
2009-06-16 8:07 ` Avi Kivity
2009-06-18 23:07 ` Erik Jacobson
2009-06-28 14:17 ` Avi Kivity
2009-06-28 19:05 ` Erik Jacobson
2009-06-28 21:28 ` Avi Kivity
2009-07-01 21:41 ` Erik Jacobson
2009-07-02 5:48 ` Avi Kivity
2009-07-02 9:41 ` Avi Kivity
2009-07-03 15:43 ` Mark McLoughlin
2009-07-03 16:28 ` Erik Jacobson
2009-07-09 2:36 ` Erik Jacobson
2009-07-09 7:48 ` Avi Kivity
2009-07-09 18:01 ` Erik Jacobson
2009-07-12 8:38 ` Avi Kivity
2009-07-16 12:20 ` Jes Sorensen
2009-07-25 14:33 ` Avi Kivity
2009-07-03 10:41 ` Matty
2009-07-05 8:07 ` Avi Kivity
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