A deep technical explanation of WordPress object caching: how WP_Cache stores transient and query data in memory, how Redis and Memcached plug into the wp_cache_* API, key invalidation patterns, and why hit rates above 80% indicate a healthy cache.
A deep technical explanation of WordPress object caching: how WP_Cache stores transient and query data in memory, how Redis and Memcached plug into the wp_cache_* API, key invalidation patterns, and why hit rates above 80% indicate a healthy cache.