How to calculate pm.max_children value on a Plesk server?

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    adrian TNT

    For tips, I would add:

    You can progressivly increase the value, and know exactly if it was too low, inside the log:

    /var/log/plesk-php82-fpm/error.log (replace php82 with your own version)
    It will mention exact domain name that reached the value and what the value limit was at that time:
    WARNING: [pool example3.com] server reached max_children setting (10)
    In this case example3.com had max_children set to 10 which was too low.
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    adrian TNT

    Note the first link at point 4 is "not found":

    https://plesk-new.zendesk.com/hc/en-us/articles/12377673921431-How-to-customize-PHP-FPM-pool-settings-for-a-domain-through-Plesk-graphical-interface-

    I think the right page is this:

    https://www.plesk.com/kb/support/how-to-customize-php-fpm-pool-settings-for-a-domain-through-plesk-graphical-interface-2/
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    Permanently deleted user

    Hello Adrian,

    Thank you for the comments. The article was updated.

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