Plugin / WP Redis

Pantheon, Josh Koenig, Matthew Boynes, Daniel Bachhuber, Alley Interactive
Download from WordPress

Frequently Asked Questions (FAQ)

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.
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.
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.
There’s a known issue with WordPress alloptions cache design. Specifically, a race condition between two requests can cause the object cache to have stale values. If you think you might be impacted by this, review this GitHub issue for links to more context, including a workaround.

Ratings

4.7
13 reviews

Rating breakdown

Details Information

Version

0.7.1

First Released

11 Feb, 2014

Total Downloads

137,731

Wordpress Version

3.0.1 or higher

Tested up to:

5.3

Require PHP Version:

-

Tags

cache redis

Contributors

getpantheon Daniel Bachhuber Matthew Boynes Josh Koenig

Languages

The plugin hasn't been transalated in any language other than English.

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