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PHP-FPM processes of a domain run for too long

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Taras Ermoshin
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Plesk for Linux kb: technical ABT: Group B

Applicable to:

  • Plesk for Linux

Symptoms

  • PHP-FPM processes of a domain run for too long, consuming too much memory and causing server malfunction.
  • Site contains a never ending script. 
  • No DDoS attacks detected - can be checked using the How to find what sites are or were under DDoS attack article.
  • pm.max_requests parameter is set to unlimited.

Cause

PHP application code doesn't finish, and due to max_requests is unlimited, the php-fpm processes are not being rotated and increasing in resources consumption over time.

Resolution

  1. Log in to Plesk.
  2. Set the pm.max_requests parameter to 100 in the menu Domains > example.com > PHP Settings and click OK or Apply in the bottom of the page to save the changes:

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Comments

1 comment

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  • Avatar
    Jalal Nasser

    I have the same issue during installing of MAGENTO app, how to solve it

    414 Request-URI Too Long

     
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