From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Stefan Hajnoczi <stefanha@gmail.com>, Dor Laor <dlaor@redhat.com>,
qemu-devel Developers <qemu-devel@nongnu.org>,
libvirt-list@redhat.com, Blue Swirl <blauwirbel@gmail.com>,
"Shribman, Aidan" <aidan.shribman@sap.com>
Subject: Re: [Qemu-devel] [PATCH v4] XBZRLE delta for live migration of large memory apps
Date: Mon, 08 Aug 2011 16:51:44 +0300 [thread overview]
Message-ID: <4E3FE9F0.9070702@redhat.com> (raw)
In-Reply-To: <4E3FE4CF.4060108@codemonkey.ws>
On 08/08/2011 04:29 PM, Anthony Liguori wrote:
>
> One thing that strikes me about this algorithm is that it's very good
> for a particular type of workload--shockingly good really.
Poking bytes at random places in memory is fairly generic. If you have
a lot of small objects, and modify a subset of them, this is the pattern
you get.
>
> I think workload aware migration compression is possible for a lot of
> different types of workloads. That makes me a bit wary of QEMU
> growing quite a lot of compression mechanisms.
>
> It makes me think that this logic may really belong at a higher level
> where more information is known about the workload. For instance, I
> can imagine XBZRLE living in something like libvirt.
A better model would be plugin based.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-08-08 13:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-08 8:42 [Qemu-devel] [PATCH v4] XBZRLE delta for live migration of large memory apps Shribman, Aidan
2011-08-08 13:29 ` Anthony Liguori
2011-08-08 13:41 ` Alexander Graf
2011-08-08 13:46 ` Anthony Liguori
2011-08-08 13:49 ` Avi Kivity
2011-08-08 13:51 ` Avi Kivity [this message]
2011-08-08 14:15 ` Anthony Liguori
2011-08-08 14:23 ` Avi Kivity
2011-08-08 14:33 ` Anthony Liguori
2011-08-08 14:39 ` Avi Kivity
2011-08-08 15:08 ` Anthony Liguori
2011-08-08 14:04 ` [Qemu-devel] [libvirt] " Daniel P. Berrange
2011-08-08 14:42 ` Avi Kivity
2011-08-08 14:46 ` [Qemu-devel] " Avi Kivity
2011-08-08 14:47 ` Avi Kivity
2011-08-08 14:56 ` Stefan Hajnoczi
2011-08-08 15:01 ` Avi Kivity
2011-08-08 15:10 ` Anthony Liguori
2011-08-08 15:15 ` Avi Kivity
2011-08-08 16:19 ` Anthony Liguori
2011-08-08 16:53 ` Avi Kivity
2011-08-08 16:55 ` Anthony Liguori
2011-08-10 15:07 ` Shribman, Aidan
2011-08-10 15:12 ` Avi Kivity
2011-08-10 15:58 ` Anthony Liguori
2011-08-10 16:08 ` Avi Kivity
2011-08-10 16:23 ` Anthony Liguori
2011-08-10 16:40 ` Avi Kivity
2011-08-10 19:27 ` Anthony Liguori
2011-08-11 8:03 ` Shribman, Aidan
2011-08-11 13:00 ` Anthony Liguori
2011-08-11 8:17 ` Avi Kivity
2011-08-11 9:16 ` [Qemu-devel] [libvirt] " Daniel P. Berrange
2011-08-11 9:20 ` Avi Kivity
2011-08-11 13:03 ` [Qemu-devel] " Anthony Liguori
2011-08-11 9:24 ` [Qemu-devel] [libvirt] " Daniel P. Berrange
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