Setting a cronjob to reset PHP-FPM

[WebHostPro]

Our shared servers seem to gradually build up CPU use until we reset PHP-FPM. It then comes down right away.

I was thinking of running a weekly or maybe even a daily cronjob to reset it.

Do you think this could have any negative precautions?

And what would be the best cron job to do this say daily for example?

 

[sparek-3]

Probably a better approach would be to figure out what is cause the high CPU usage of php-fpm.

Is it one particular account? Is that account being flooded with PHP requests? Perhaps opcache is misconfigured? Hard to really say.

But if you're resorting to periodically restarting services, that's generally not a great solution because it means you're just masking the underlying issue.

 

[WebHostPro]

Thanks, I was thinking that too. It just seems odd that resetting FPM lowers the load so much each time on multiple servers. I can't see anything else obvious that might be related. So I was thinking FPM just gets bloated.

I'll check opcache. Do you have any suggestions for configuring opcache?

 

[cPanelLauren]

Well there is a known issue with php-fpm and opcache and there has been for a long time though it's not necessarily the fault of opcache. That could be the cause of the issue you're seeing though without more information I couldn't tell you for sure. The PHP bug is here: PHP :: Bug #74709 :: PHP-FPM process eating 100% CPU attempting to use kill_all_lockers


There have been a couple of forums threads on it but the one I remember the most is the following:

Remove auto generation htaccess AddHandler application/x-httpd

PHP-FPM is managed by PHP they are already aware which is what I'm trying to tell you. I'd wager that you do indeed have a CPU problem when PHP-FPM crashes

forums.cpanel.net

As far as restarting php-fpm, it's not an ideal solution, the best solution would be as @sparek-3 suggests but to restart the service it's /scripts/restartsrv_apache_php_fpm