Subject: Re: 2.6.3 userspace freeze
From: "Anders K. Pedersen" <akp@cohaesio.com>
To: Olaf Dietsche <olaf+list.linux-kernel@olafdietsche.de>
Cc: Jan Kara <jack@suse.cz>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org
In-Reply-To: <87ptbi5on5.fsf@goat.bogus.local>
References: <222BE5975A4813449559163F8F8CF503458441@cohsrv1.cohaesio.com>
	 <87ptbi5on5.fsf@goat.bogus.local>
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Organization: Cohaesio A/S
Message-Id: <1079112003.19710.10.camel@akp.cohaesio.com>
Mime-Version: 1.0
Date: Fri, 12 Mar 2004 18:20:03 +0100
Sender: linux-kernel-owner@vger.kernel.org
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Hello,

On Fri, 2004-03-12 at 11:46, Olaf Dietsche wrote:
> There are always many rotatelogs started. Maybe that's a hint for
> further investigation.

The rotatelogs processes are used to write log data from Apache (by use
of CustomLog/ErrorLog directives) to rotating files, so this is quite
normal. I just made the following pstree, which is typical for this
server:

init-+-agent.be---agent.be
     |-agetty
     |-atd
     |-bdflush
     |-caspd---caspd---caspd---caspeng---caspeng---22*[caspeng]
     |-crond
     |-httpd-+-233*[httpd]
     |       |-120*[rotatelogs]
     |       `-3*[rotatelogspsoft]
     |-keventd
     |-khubd
     |-4*[kjournald]
     |-klogd
     |-ksoftirqd_CPU0
     |-ksoftirqd_CPU1
     |-kswapd
     |-kupdated
     |-logger
     |-master-+-2*[cleanup]
     |        |-pickup
     |        |-qmgr
     |        |-4*[smtp]
     |        `-trivial-rewrite
     |-7*[mingetty]
     |-named
     |-ntpd
     |-proftpd---16*[proftpd]
     |-scsi_eh_0
     |-soagent
     |-sshd-+-sshd---script-runner.p
     |      `-sshd---bash---pstree
     |-syslogd
     |-ulogd
     `-watchdogd

-- 
Med venlig hilsen - Best regards

Anders K. Pedersen
Network Engineer
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