View source for Httpd How to Find Out which MPM is Being Used

=Internal=

* [[httpd Multi-Processing Module Concepts]]
* [[httpd Operations#Subjects|httpd Operations]]

=Overview=

There are two sources of information on the built-in MPM:

==httpd -V==

Run:

<pre>
./httpd -V
</pre>

An example of server compiled with prefork:

<pre>
./apachectl -V

Server version: Apache/2.2.17 (Unix)
Server built:   Sep  7 2011 12:34:41
Server's Module Magic Number: 20051115:25
Server loaded:  APR 1.3.9, APR-Util 1.3.9
Compiled using: APR 1.3.9, APR-Util 1.3.9
Architecture:   64-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
...
</pre>

==The List of Static Modules Compiled into the httpd Binary==

{{Internal|httpd Static Module List|The List of Static Modules Compiled into the httpd Binary}}