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Reply to topic   Topic: Apache crashed - ThreadsPerChild
Author
jochen35



Joined: 27 Mar 2013
Posts: 1

PostPosted: Wed 27 Mar '13 9:15    Post subject: Apache crashed - ThreadsPerChild Reply with quote

Hello,

I'm running Apache 2.4.4 on Windows Server 2008 R2. It's already happened many times that Apache stopped responding to requests. The last entry in the error.log:

[Wed Mar 27 06:22:07.043600 2013] [mpm_winnt:notice] [pid 1736:tid 256] AH00354: Child: Starting 64 worker threads.
[Wed Mar 27 06:52:34.521200 2013] [mpm_winnt:error] [pid 1736:tid 1656] AH00326: Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting


In access.log I did not notice anything unusual, and even the Windows Event Viewer gives her nothing.

MPM is not configured yet.

greeting
Jochen
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7288
Location: Germany, Next to Hamburg

PostPosted: Thu 28 Mar '13 10:57    Post subject: Reply with quote

That message mean that you have to use a higher number for ThreadsPerChild (simultanious connections) So there are more than 64 connection at the same time and your apache has no free threads to handle it.

you can try

Code:

<IfModule mpm_winnt_module>
    ThreadsPerChild      150
    MaxRequestsPerChild    0
</IfModule>


increase the value of ThreadsPerChild until you get rid of that error.
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