From: Sasha Levin <levinsasha928@gmail.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: mingo@elte.hu, asias.hejun@gmail.com, gorcunov@gmail.com,
prasadjoshi124@gmail.com, kvm@vger.kernel.org
Subject: Re: [PATCH] kvm tools: Add option to specify backing storage for RAM
Date: Thu, 21 Apr 2011 17:08:39 +0300 [thread overview]
Message-ID: <1303394919.3164.1.camel@stimpy> (raw)
In-Reply-To: <BANLkTimWoqctQNC9JjepevPNgJ+_xbJC4w@mail.gmail.com>
On Thu, 2011-04-21 at 16:12 +0300, Pekka Enberg wrote:
> Well, I don't still quite see the point of this feature. Is there some
> real world use for running guests with huge memory space that's
> swap-backed?
Not a single guest, but multiple guests which take more RAM than the
host can provide using paging. This happened to me when I tried booting
several servers to test network bridging.
Can't say it's a common use-case though.
--
Sasha.
next prev parent reply other threads:[~2011-04-21 14:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-21 12:45 [PATCH] kvm tools: Add option to specify backing storage for RAM Sasha Levin
2011-04-21 12:48 ` Pekka Enberg
2011-04-21 13:00 ` Sasha Levin
2011-04-21 13:12 ` Pekka Enberg
2011-04-21 14:08 ` Sasha Levin [this message]
2011-04-21 14:12 ` Avi Kivity
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