About the fact that stopping Apache doesnt free the memory, I wanted to
point out that our sysadmin told us this is due to how Apache manages
memory.
We didnt went into the details so I cant tell you more.
Should search the documentation.
Anyway this shouldnt be related to the problem that causes the memory leak.
Adrian Marsh ha scritto:
Hi Christian,
Do you think you could ask them to see if they resolved it?
I had similar thoughts, so in my VMware copy I tried various things, including
working without SSL, but I didn't see the results get any better.
Adrian
-----Original Message-----
From: Domsch, Christian (IZLBW Extern) [mailto:christian.dom...@iz.bwl.de]
Sent: 03 April 2009 14:23
To: users@httpd.apache.org
Subject: AW: [us...@httpd] Apache memory hog
Hello.
A client of our company has similar issues. They run SLES 10 with apache 2.2.x
and the newest subversion 1.5.x and also use https. For authentication they use
winbind and not ldap.
They too have the problem, that the apache processes take up a lot of cpu
cycles and use up the ram to the point, where the processes crash with out ouf
memory. After that the memory is not freed. Even when the httpd processes are
stopped (and not crash) the memory is not freed.
I do not know the fine details here, bit the sysadmin found some odd things
going on with ssl.
-----Ursprüngliche Nachricht-----
Von: Tom Evans [mailto:tevans...@googlemail.com]
Gesendet: Freitag, 3. April 2009 15:16
An: users@httpd.apache.org
Cc: a...@ice-sa.com
Betreff: RE: [us...@httpd] Apache memory hog
On Fri, 2009-04-03 at 13:58 +0100, Adrian Marsh wrote:
Hi Andre,
Thanks for the reply. No its definitely the httpd process. I see each thread
consuming hundreds of megs of RES memory being used in TOP. I just restarted
it and already each is consuming:
10006 apache 15 0 279m 15m 3160 S 0.0 0.1 0:00.29 httpd
10004 apache 15 0 278m 13m 3400 S 0.0 0.1 0:00.05 httpd
10007 apache 15 0 278m 13m 3048 S 0.0 0.1 0:00.04 httpd
10001 apache 15 0 277m 13m 3456 S 0.0 0.1 0:00.08 httpd
10003 apache 15 0 277m 13m 2976 S 0.0 0.1 0:00.10 httpd
10002 apache 15 0 277m 13m 3112 S 0.0 0.1 0:00.07 httpd
10005 apache 15 0 277m 13m 3080 S 0.0 0.1 0:00.06 httpd
10000 apache 15 0 277m 12m 3432 S 0.0 0.1 0:00.51 httpd
Also, I forgot to mention its 1.5.5 of SVN (1.5.2 had a mod_ bugfix for a
memory leak).
What interests me at the moment is diagnosing which module it is (as others
running 1.5.5 don't report this issue). It's a fairly vanilla httpd setup
other than the svn config.
Adrian
Doesnt look that bad. That 27[789]m reported as SIZE is shared between the
processes, shared pages and the like, and the RES isn't excessive in my
opinion. What does mod_status and mod_server_info say is going on when you
notice the memory starvation?
What precisely did you change with your yum update? Did that change core
packages, like libc etc?
Cheers
Tom
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