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From: Rik van Riel <riel@redhat.com>
To: Lubos Lunak <l.lunak@suse.cz>
Cc: David Rientjes <rientjes@google.com>,
	Balbir Singh <balbir@linux.vnet.ibm.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Nick Piggin <npiggin@suse.de>, Jiri Kosina <jkosina@suse.cz>
Subject: Re: Improving OOM killer
Date: Wed, 10 Feb 2010 16:10:23 -0500	[thread overview]
Message-ID: <4B7320BF.2020800@redhat.com> (raw)
In-Reply-To: <201002102154.43231.l.lunak@suse.cz>

On 02/10/2010 03:54 PM, Lubos Lunak wrote:

>   Which however can mean that not killing this system daemon will be traded for
> DoS-ing the whole system, if the daemon keeps spawning new children as soon
> as the OOM killer frees up resources for them.

Killing the system daemon *is* a DoS.

It would stop eg. the database or the web server, which is
generally the main task of systems that run a database or
a web server.

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  reply	other threads:[~2010-02-11  2:38 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-01 22:02 Improving OOM killer Lubos Lunak
2010-02-01 23:53 ` David Rientjes
2010-02-02 21:10   ` Lubos Lunak
2010-02-03  1:41     ` David Rientjes
2010-02-03  1:52       ` KAMEZAWA Hiroyuki
2010-02-03  2:12         ` David Rientjes
2010-02-03  2:12           ` KAMEZAWA Hiroyuki
2010-02-03  2:36             ` [patch] sysctl: clean up vm related variable declarations David Rientjes
2010-02-03  8:07               ` KOSAKI Motohiro
2010-02-03  8:17               ` Balbir Singh
2010-02-03 22:54       ` Improving OOM killer Lubos Lunak
2010-02-04  0:00         ` David Rientjes
2010-02-03  7:50 ` KOSAKI Motohiro
2010-02-03  9:40   ` David Rientjes
2010-02-03  8:57 ` Balbir Singh
2010-02-03 12:10   ` Lubos Lunak
2010-02-03 12:25     ` Balbir Singh
2010-02-03 15:00       ` Minchan Kim
2010-02-03 16:06         ` Minchan Kim
2010-02-03 21:22       ` Lubos Lunak
2010-02-03 14:49 ` Rik van Riel
2010-02-03 17:01   ` Balbir Singh
2010-02-03 18:58     ` David Rientjes
2010-02-03 19:29       ` Frans Pop
2010-02-03 19:52         ` David Rientjes
2010-02-03 20:12           ` Frans Pop
2010-02-03 20:26             ` David Rientjes
2010-02-03 22:55       ` Lubos Lunak
2010-02-04  0:05         ` David Rientjes
2010-02-04  0:18           ` Rik van Riel
2010-02-04 21:48             ` David Rientjes
2010-02-04 22:06               ` Rik van Riel
2010-02-04 22:14                 ` David Rientjes
2010-02-10 20:54                   ` Lubos Lunak
2010-02-10 21:10                     ` Rik van Riel [this message]
2010-02-10 21:29                       ` Lubos Lunak
2010-02-10 22:18                       ` Alan Cox
2010-02-10 22:31                         ` David Rientjes
2010-02-11  9:50                         ` Lubos Lunak
2010-02-04 22:31               ` Frans Pop
2010-02-04 22:53                 ` David Rientjes
2010-02-04  7:58           ` Lubos Lunak
2010-02-04 21:34             ` David Rientjes
2010-02-10 20:54               ` Lubos Lunak
2010-02-10 21:09                 ` Rik van Riel
2010-02-10 21:34                   ` Lubos Lunak
2010-02-10 22:25                 ` David Rientjes
2010-02-11 10:16                   ` Lubos Lunak
2010-02-11 21:17                     ` David Rientjes
2010-02-04  9:50           ` Jiri Kosina
2010-02-04 21:39             ` David Rientjes
2010-02-05  7:35               ` Oliver Neukum
2010-02-10  3:10                 ` David Rientjes

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