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feat(settings): warn when PHP-FPM reaches pm.max_children - #46570
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Signed-off-by: Josh Richards <josh.t.richards@gmail.com>
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Report when PHP-FPM reaches its configured pm.max_children limit, including the peak active process count and pool restart time. Handle unavailable or incomplete FPM status with a warning, and link admins to the PHP-FPM documentation for troubleshooting guidance. Signed-off-by: Josh <josh.t.richards@gmail.com>
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Summary
Add a PHP setup check that warns when the PHP-FPM pool has reached its configured
pm.max_childrenlimit. Since this can cause various problems, let's give a hint to the admin.Include the number of occurrences, latest restart time, and peak active process count to help admins assess the impact.
The check is not applicable to non-FPM SAPIs, including
mod_php. PHP provides no direct equivalent for retrievingmod_phpstatus; using Apache’smod_statuswould require additional server configuration.If PHP-FPM status is unavailable or incomplete, report that the check could not be completed. Link to the PHP-FPM documentation and advise reviewing pool configuration and server capacity before increasing the limit.
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