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Apache's MPM choice—prefork, worker, or event—determines memory use and concurrency. Learn when to switch to event MPM with PHP-FPM and how to validate the change safely.
Apache 2.4's MPM choice controls concurrency, HTTP/2 support, and how you must run PHP. Compare event, worker, and prefork, then migrate to event + PHP-FPM and validate it.
Goal Determine which MPM module— mpm_event or mpm_worker —provides the best performance for a server that serves both static assets and dynamic content, after measuring the current bottleneck with Apache’s built‑in diagnostics. Constraints Apache 2.4 with mod_deflate enabled for compression. KeepAliveTimeout set to the default 5 s, potentially tying up worke