How does Opcache internals handle shared memory, and why are resets expensive?

Expert PHP

Answer

Opcache stores precompiled opcodes in shared memory. Resetting clears the cache, forcing recompilation of all scripts, causing CPU spikes and latency. Production systems avoid frequent resets except during deployments.

Want to bookmark, take notes, or join discussions?

Sign in to access all features and personalize your learning experience.

Sign In Create Account

Source: SugharaIQ

Ready to level up? Start Practice