1,200 Recompiles per Page View: The OPcache Failure No Hosting Dashboard Will Show You
Everyone tunes the page cache. Meanwhile, with an undersized OPcache buffer, a WooCommerce store with six popular plugins recompiles ~1,200 PHP files on every single page view - doubling worker RAM, saturating CPU, and cutting throughput by 29%. I measured all of it, request by request. No dashboard shows you any of this.
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