Find what MPM model Apache is using

Apache is the most popular web server, it is Open Source and modular. Multi-Processing Modules (MPM) in Apache decides how Apache listens to the network and handles the incoming requests. Apache have many MPM Modules (Multi-Processing Modules), the most popular among them are Prefork, worker, and Event. You can only activate one Apache MPM at any time.

The most popular MPMs available on Linux servers are

  • Prefork
  • Worker
  • Event

To find out which MPM you are using

On CentOS, run

On Ubuntu



You can also find this information from the Apache Status page provided by mod_info

To enable mod_info, in httpd.conf, add

Now visit

See Apache

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