From: Herbert Poetzl <herbert@13thfloor.at>
To: Jeff Dike <jdike@addtoit.com>
Cc: Shailabh <nagar@watson.ibm.com>, Rik van Riel <riel@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
ckrm-tech <ckrm-tech@lists.sourceforge.net>
Subject: Re: [ckrm-tech] Re: [RFC] Revised CKRM release
Date: Sat, 1 May 2004 01:43:33 +0200 [thread overview]
Message-ID: <20040430234332.GA10569@MAIL.13thfloor.at> (raw)
In-Reply-To: <200404302217.i3UMHdml004610@ccure.user-mode-linux.org>
On Fri, Apr 30, 2004 at 06:17:39PM -0400, Jeff Dike wrote:
> nagar@watson.ibm.com said:
> > Jeff, do you have any numbers for UML overhead in 2.6 ?
>
> It obviously depends on the workload, but for "normal" things, like kernel
> builds and web serving, it's generally in the 20-30% range. That can be
> reduced, since I haven't spent too much time on tuning. I'm aiming for the
> teens, and I don't think that'll be too hard.
hmm, just wanted to mention that linux-vserver has
around 0% overhead and often allows to improve
performance due to resource sharing ...
basically it's a soft partitioning concept based on
'Security Contexts' which allow to create many
independant Virtual Private Servers (VPS), which
act simultaneously on one box at full speed, sharing
the available hardware resources.
see http://linux-vserver.org for details ...
best,
Herbert
PS: UML and Linux-VServer play together nicely ...
>
> Jeff
>
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next prev parent reply other threads:[~2004-04-30 23:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-29 8:25 [RFC] Revised CKRM release Shailabh Nagar
2004-04-30 16:41 ` Christoph Hellwig
2004-04-30 18:42 ` Shailabh
2004-04-30 19:03 ` [ckrm-tech] " Rik van Riel
2004-04-30 19:17 ` Shailabh Nagar
2004-04-30 19:31 ` Rik van Riel
2004-04-30 20:15 ` Shailabh Nagar
2004-05-01 13:07 ` Hubertus Franke
2004-04-30 22:43 ` Jeff Dike
2004-04-30 19:47 ` Shailabh
2004-04-30 22:17 ` Jeff Dike
2004-04-30 23:43 ` Herbert Poetzl [this message]
2004-05-01 6:10 ` Alex Lyashkov
2004-05-01 14:46 ` Herbert Poetzl
2004-05-02 12:28 ` Alex Lyashkov
2004-05-04 17:29 ` Marcelo Tosatti
2004-05-04 18:13 ` [ckrm-tech] " Hubertus Franke
2004-05-04 17:35 ` Marcelo Tosatti
2004-05-05 0:18 ` [ckrm-tech] " Shailabh Nagar
2004-05-05 18:48 ` Marcelo Tosatti
2004-05-06 0:00 ` Chandra Seetharaman
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