• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

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    Question Is there a way to restart reset Opcache periodically or invalidate not accessed files (dedicated FPM- handler)

    There are more than 50 websites hosted on the system. In a worst-case scenario this could lead to a memory usage of 3.2 GB for Opcache alone. If I can prevent old not accessed files to be cleared from the cache (let's say after a week), it would be much more efficient on the resources. Normally...
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    Question Is there a way to restart reset Opcache periodically or invalidate not accessed files (dedicated FPM- handler)

    Thanks for your reply. This would indeed work, except the problem is that every site has it's own PHP-handler. I would have to make a cronjob for every website, for every client.
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    Question Need advice on best PHP/Apache settings for best performance

    Have you seen the new dedicated PHP-FPM handlers? I've been testing it out and the results were amazing for Wordpress sites. Much, much faster. They will also have their own seperate Opcache which speeds everything up. In my experience I've seen big Wordpress sites eat up all the Opcache...
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    Question Is there a way to restart reset Opcache periodically or invalidate not accessed files (dedicated FPM- handler)

    Thank you for your answer, this helps a lot. How can I reload it though? I find these services: plesk-php73-fpm_DOMAIN_COM_144.service plesk-php73-fpm_DOMAIN_COM_144 But whatever I try, I can't seem to find a way to reload it. Using the service command it simply says unknown service. They are...
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    Question Is there a way to restart reset Opcache periodically or invalidate not accessed files (dedicated FPM- handler)

    I'm currently using Plesk for a shared hosting server with the dedicated PHP-FPM handler per site. This allows every site to have it's own Opcache, but this is also the issue... Let's say there are 10 sites with 64 MB for Opcache, that's 640 MB in total! Lot's of those sites don't get visited...
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