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Bug#399776: marked as done (apache2: Apache 2.2 spawns lots of processes and freeze the box)
Date: Wed Jan 16 2008 - 17:09:12 EST
Your message dated Wed, 16 Jan 2008 23:05:44 +0100
with message-id <200801162305.45132.sf@sfritsch.de>
and subject line apache2: increasing memory usage
has caused the attached Bug report to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what I am talking about this indicates a serious mail system misconfiguration somewhere. Please contact me immediately.)
Debian bug tracking system administrator (administrator, Debian Bugs database)
attached mail follows:
Package: apache2
Version: 2.2.3-3.1
Severity: critical
Justification: breaks the whole system
After a random time that goes from 5 minutes to days apache starts forking a lot of processes, each using about 150m of VIRT and 20m of RES memory. Most of the processes die and appear as <defunct> in top or ps. After some tens of seconds the machine completely freeze and should be rebooted. The console (the only time I was able to have a look at it) has some kernel information about the oom-killer killing apache2 but unfortunately this is happening to a remote server and I don't have 24/24h access to it. Last time happened when I was logged in and I was able to "killall apache2" and save the box (this is how I understood what was happening.)
Right now I lowered the number of max clients from 150 to 25 but this is not a definitive solution (for obvious reasons). If I can do any test to provide better data just let me know.
- System Information: Debian Release: 4.0 APT prefers testing APT policy: (600, 'testing'), (500, 'unstable'), (500, 'stable') Architecture: amd64 (x86_64) Shell: /bin/sh linked to /bin/bash Kernel: Linux 2.6.18-2-amd64 Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages apache2 depends on: ii apache2-mpm-prefork 2.2.3-3.1 Traditional model for Apache HTTPD
apache2 recommends no packages.
- no debconf information
attached mail follows:
version: 2.2.6-3
The patch to reduce the memory usage seems to have fixed this problem. Feel free to reopen the bug or file a new report if the problem appears again.
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Received on Wed Jan 16 17:14:24 2008
This archive was generated by hypermail 2.1.8 : Wed Mar 19 2008 - 03:00:02 EDT
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