From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
To: Andreas Hasenack <ahasenack-y7mWNqJcIDpfJ/NunPodnw@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: XP installation speed: KVM vs Xen
Date: Tue, 27 Feb 2007 18:06:36 -0600 [thread overview]
Message-ID: <45E4C78C.7050604@codemonkey.ws> (raw)
In-Reply-To: <200702272105.18311.ahasenack-y7mWNqJcIDpfJ/NunPodnw@public.gmane.org>
Andreas Hasenack wrote:
> On Tuesday 27 February 2007 17:46:45 Andrew Olney wrote:
>
>> I've been migrating from Xen to KVM for a wide variety of reasons.
>>
>> I've noticed, however, that XP installs much much faster with Xen (3.03
>> xen-image-xen0-2.6.17-6-generic-xen0 ubuntu) than with KVM (14).
>>
>> I haven't clocked it, but for KVM it takes longer than realtime (by the
>> XP install clock) and with Xen it takes less than realtime.
>>
>> I assume that this is all file I/O related, which raises the question:
>> what file system setup optimizes KVM I/O, e.g. qcow vs. raw?
>>
>
> I experienced very slow graphic performance with kvm, could that be related
> too?
>
> For example, graphic grub boot splash is very slow, as is any form of frame
> buffer boot in linux.
>
Graphic grub boot is different from the rest of graphics and should not
be any worse than Xen.
Regards,
Anthony Liguori
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next prev parent reply other threads:[~2007-02-28 0:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-27 20:46 XP installation speed: KVM vs Xen Andrew Olney
[not found] ` <1172609205.6539.9.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-02-28 0:05 ` Andreas Hasenack
[not found] ` <200702272105.18311.ahasenack-y7mWNqJcIDpfJ/NunPodnw@public.gmane.org>
2007-02-28 0:06 ` Anthony Liguori [this message]
2007-02-28 0:09 ` Anthony Liguori
2007-02-28 7:02 ` Avi Kivity
2007-02-28 7:10 ` Avi Kivity
[not found] ` <45E52AEE.6030107-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-02-28 16:16 ` Andrew Olney
[not found] ` <1172679377.5261.38.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-02-28 16:40 ` Avi Kivity
[not found] ` <45E5B07A.3040700-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-02-28 18:10 ` Andrew Olney
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