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Search max_children erros in PHP Log – error.log grep -r “server reached max_children setting” /var/log/*php*-fpm/error.log | cut -d’ ‘ -f5 | tr -d ‘]’ | sort | uniq -c | sort -nr Plesk check PHP: pm.max_children for varioius websites find /opt/plesk/php/ -type f -name “*.conf” -exec grep –color -Hni “pm.max_children =” {} \; Make cron … Read More “PHP FPM modification – Plesk” »
Prefork: The prefork MPM uses multiple child processes with one thread each. Each process handles one connection at a time. On many systems, prefork is comparable in speed to worker, but uses more memory. Prefork’s threadless design has advantages over worker in some situations: it can be used with non-thread-safe third-party modules, and it is … Read More “Apache Prefork versus Worker” »