Skip to content

2 articles

#Redis

Every article tagged Redis, newest first. Search all articles

  • Every spillway of a dam opens at once and a glowing flood rushes toward a small mill below, while a lever on the dam waits to stagger the gates.Performance

    6 min read

    Why a cache purge can overload WordPress and how to stop it

    A WordPress cache stampede happens when many requests lose the same cached data at once and all try to rebuild it. The fix is to limit rebuilds with a shared lock, keep stale data available during refresh, and spread expiries so misses do not arrive as one burst.

    • WordPress
    • Caching
    • Performance
    Read article
  • A fast robotic arm grabs ready answer cards from a red-glowing memory shelf while the heavy database vault door stays shut.Performance

    8 min read

    WordPress Redis object cache: setup and measurement

    A WordPress Redis object cache keeps WordPress object-cache data available across requests, so PHP can reuse cached query results and other objects instead of rebuilding them each time.

    • WordPress
    • Redis
    • Object Cache
    Read article