High Server Load

Andy83

• June 25, 2025 13:23

Hi,

How do I configure CPanel to inform me via email when the load average exceeds 20?

Thanks.

• 

  William Del Piero cPanel Staff

  • June 26, 2025 16:49

  Hi,

   

  There isn't currently a feature available within cPanel that can be configured to set this up automatically. However, I did find a user who was able to get this working with a third-party plugin (CSF). In case this is something you're interested in setting up, I'll include the details below:

   

  https://forum.configserver.com/viewtopic.php?t=3221

   

  Although we don't support CSF as it's a third party product, we have details on how-to install CSF below:

   

  CSF Installations

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• 

  ITHKBO

  • June 27, 2025 11:51
  • Edited

  CSF handles this with PT_LOAD_LEVEL and PT_LOAD_LEVEL_AVG; it is a built-in feature.
  However, as someone who has been using their product for more than a decade, these e-mails are not something I would recommend enabling on a busy server by default.

  For several reasons.

  1. If there is a very high sudden spike, the mails most likely arrive *after* the spike settles.
  2. Trigger is on crossing the threshold, and while there is a field to input to prevent short bursts of mails (PT_LOAD_SKIP), if there are multiple violations in a few seconds that setting does not always work as it should. We had hundreds of emails once because the load skip got ignored for an unknown reason, and that resulted in a higher spike.

  Be sure to test the function thoroughly before putting it into production.

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