Re: too many open files

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Hello Arnab,

sorry for answering so late, but it took some time to test it.
At the beginning of the apachectl script I put
ulimit -n 50000
and restarted the daemon with the apachectl script.

Nevertheless, it don't changed the behavior. The service
was running for about  7 - 8 hours and after that I error
message.

Maybe you have another hint for me?

Kind regards
Michael

Arnab Ganguly wrote:
Can you try assigning the soft limit value to hard limit value and restart the server.You can put this in apachectl script so that it gets affected for the shell used for Apache.
Thanks
Arnab

On Mon, Aug 25, 2008 at 6:47 PM, Michael Sutter <Michael.Sutter@xxxxxxxxxx> wrote:
Hello list,

I have a strange problem with my httpd daemon and hopefully somebody can help me.
I'm running a Apache 2.0.49 on a Suse 9.1 and have the mod_axis2 deployed. Inside
Axis2 I'm running a service which is queried every ten seconds.

After running for some hours, sometimes 2, sometimes 4, sometimes more I always got
a exception: Too many open files. The exception is not written to the error log, it is the
return value of my service. I also have no entry at the corresponding time in my access.log,
so I think it is thrown before the service is accessed.

I searched through the list and found, that normally the solution is  to increase the limit
of open files. So I added in /etc/security/limits.conf
*  soft    nofile  8192
*  hard    nofile  50000
logged out and in again.

For my understanding this should increase the number of open files for every user.
Nevertheless, this don't changed the behaviour. I always got the exception. So I also
added ulimit -n 8192 to my init script, which shows the same behaviour.

I also monitored the number of open files on the system. It is always about 2000 - much
less then I have declared in the configuration. The httpd daemon normally has 10 process
and every process has opened about 90 - 95 files. So I'm also not on the configured limit.

Has anybody some idea what I'm doing wrong or how I can solve the problem?

Kind regards
Michael

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