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WP Redis

Back your WP Object Cache with Redis, a high-performance in-memory storage backend.

Why would I want to use this plugin?

If you are concerned with the speed of your site, backing it with a high-performance, persistent object cache can have a huge impact. It takes load off your database, and is faster for loading all the data objects WordPress needs to run.

How does this work with other caching plugins?

This plugin is for the internal application object cache. It doesn't have anything to do with page caches. On Pantheon you do not need additional page caching, but if you are self-hosted you can use your favorite page cache plugins in conjunction with WP Redis.

How do I disable the persistent object cache for a bad actor?

A page load with 2,000 Redis calls can be 2 full seonds of object cache transactions. If a plugin you're using is erroneously creating a huge number of cache keys, you might be able to mitigate the problem by disabling cache persistency for the plugin's group:

wp_cache_add_non_persistent_groups( array( 'bad-actor' ) );

This declaration means use of wp_cache_set( 'foo', 'bar', 'bad-actor' ); and wp_cache_get( 'foo', 'bad-actor' ); will not use Redis, and instead fall back to WordPress' default runtime object cache.

Requires: 3.0.1 or higher
Compatible up to: 4.7.2
Last Updated: 3 months ago
Active Installs: 3,000+


5 out of 5 stars


4 of 5 support threads in the last two months have been marked resolved.

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