Article ID: 127853, created on Dec 24, 2015, last review on Jun 17, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 11.0 for Linux


High CPU and memory usage by Apache.


Nginx is not enabled or installed.


  1. Install Nginx using Plesk installer.

  2. Enable Nginx: Tools & Settings > Services Management > Reverse Proxy Server (nginx)


Search Words

High memory usage by Apache

High CPU and memory usage by Apache

Server down as Plesk can not see all CPUs

High CPU usage by Apache

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