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.
--
All rights reversed.
WARNING: multiple messages have this Message-ID (diff)
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.
--
All rights reversed.
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next prev parent reply other threads:[~2010-02-10 21:11 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-01 22:02 Improving OOM killer Lubos Lunak
2010-02-01 22:02 ` Lubos Lunak
2010-02-01 23:53 ` David Rientjes
2010-02-01 23:53 ` David Rientjes
2010-02-02 21:10 ` Lubos Lunak
2010-02-02 21:10 ` Lubos Lunak
2010-02-03 1:41 ` David Rientjes
2010-02-03 1:41 ` David Rientjes
2010-02-03 1:52 ` KAMEZAWA Hiroyuki
2010-02-03 1:52 ` KAMEZAWA Hiroyuki
2010-02-03 2:12 ` David Rientjes
2010-02-03 2:12 ` David Rientjes
2010-02-03 2:12 ` KAMEZAWA Hiroyuki
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 2:36 ` David Rientjes
2010-02-03 8:07 ` KOSAKI Motohiro
2010-02-03 8:07 ` KOSAKI Motohiro
2010-02-03 8:17 ` Balbir Singh
2010-02-03 8:17 ` Balbir Singh
2010-02-03 22:54 ` Improving OOM killer Lubos Lunak
2010-02-03 22:54 ` Lubos Lunak
2010-02-04 0:00 ` David Rientjes
2010-02-04 0:00 ` David Rientjes
2010-02-03 7:50 ` KOSAKI Motohiro
2010-02-03 7:50 ` KOSAKI Motohiro
2010-02-03 9:40 ` David Rientjes
2010-02-03 9:40 ` David Rientjes
2010-02-03 8:57 ` Balbir Singh
2010-02-03 8:57 ` Balbir Singh
2010-02-03 12:10 ` Lubos Lunak
2010-02-03 12:10 ` Lubos Lunak
2010-02-03 12:25 ` Balbir Singh
2010-02-03 12:25 ` Balbir Singh
2010-02-03 15:00 ` Minchan Kim
2010-02-03 15:00 ` Minchan Kim
2010-02-03 16:06 ` Minchan Kim
2010-02-03 16:06 ` Minchan Kim
2010-02-03 21:22 ` Lubos Lunak
2010-02-03 21:22 ` Lubos Lunak
2010-02-03 14:49 ` Rik van Riel
2010-02-03 14:49 ` Rik van Riel
2010-02-03 17:01 ` Balbir Singh
2010-02-03 17:01 ` Balbir Singh
2010-02-03 18:58 ` David Rientjes
2010-02-03 18:58 ` David Rientjes
2010-02-03 19:29 ` Frans Pop
2010-02-03 19:29 ` Frans Pop
2010-02-03 19:52 ` David Rientjes
2010-02-03 19:52 ` David Rientjes
2010-02-03 20:12 ` Frans Pop
2010-02-03 20:12 ` Frans Pop
2010-02-03 20:26 ` David Rientjes
2010-02-03 20:26 ` David Rientjes
2010-02-03 22:55 ` Lubos Lunak
2010-02-03 22:55 ` Lubos Lunak
2010-02-04 0:05 ` David Rientjes
2010-02-04 0:05 ` David Rientjes
2010-02-04 0:18 ` Rik van Riel
2010-02-04 0:18 ` Rik van Riel
2010-02-04 21:48 ` David Rientjes
2010-02-04 21:48 ` David Rientjes
2010-02-04 22:06 ` Rik van Riel
2010-02-04 22:06 ` Rik van Riel
2010-02-04 22:14 ` David Rientjes
2010-02-04 22:14 ` David Rientjes
2010-02-10 20:54 ` Lubos Lunak
2010-02-10 20:54 ` Lubos Lunak
2010-02-10 21:10 ` Rik van Riel [this message]
2010-02-10 21:10 ` Rik van Riel
2010-02-10 21:29 ` Lubos Lunak
2010-02-10 21:29 ` Lubos Lunak
2010-02-10 22:18 ` Alan Cox
2010-02-10 22:18 ` Alan Cox
2010-02-10 22:31 ` David Rientjes
2010-02-10 22:31 ` David Rientjes
2010-02-11 9:50 ` Lubos Lunak
2010-02-11 9:50 ` Lubos Lunak
2010-02-04 22:31 ` Frans Pop
2010-02-04 22:31 ` Frans Pop
2010-02-04 22:53 ` David Rientjes
2010-02-04 22:53 ` David Rientjes
2010-02-04 7:58 ` Lubos Lunak
2010-02-04 7:58 ` Lubos Lunak
2010-02-04 21:34 ` David Rientjes
2010-02-04 21:34 ` David Rientjes
2010-02-10 20:54 ` Lubos Lunak
2010-02-10 20:54 ` Lubos Lunak
2010-02-10 21:09 ` Rik van Riel
2010-02-10 21:09 ` Rik van Riel
2010-02-10 21:34 ` Lubos Lunak
2010-02-10 21:34 ` Lubos Lunak
2010-02-10 22:25 ` David Rientjes
2010-02-10 22:25 ` David Rientjes
2010-02-11 10:16 ` Lubos Lunak
2010-02-11 10:16 ` Lubos Lunak
2010-02-11 21:17 ` David Rientjes
2010-02-11 21:17 ` David Rientjes
2010-02-04 9:50 ` Jiri Kosina
2010-02-04 9:50 ` Jiri Kosina
2010-02-04 21:39 ` David Rientjes
2010-02-04 21:39 ` David Rientjes
2010-02-05 7:35 ` Oliver Neukum
2010-02-05 7:35 ` Oliver Neukum
2010-02-10 3:10 ` David Rientjes
2010-02-10 3:10 ` David Rientjes
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