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

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Daniel Bachhuber

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Pantheon Systems

John Spellman

Josh Koenig

<p><a href="https://circleci.com/gh/pantheon-systems/wp-redis/tree/master" rel="nofollow ugc"></a></p>
<p>For sites concerned with high traffic, speed for logged-in users, or dynamic pageloads, a high-speed and persistent object cache is a must. You also need something that can scale across multiple instances of your application, so using local file caches or APC are out.</p>
<p>Redis is a great answer, and one we bundle on the Pantheon platform. This is our plugin for integrating with the cache, but you can use it on any self-hosted WordPress site if you have Redis. Install from <a href="https://wordpress.org/plugins/wp-redis/" rel="ugc">WordPress.org</a> or <a href="https://github.com/pantheon-systems/wp-redis" rel="nofollow ugc">Github</a>.</p>
<p>It’s important to note that a persistent object cache isn’t a panacea – a page load with 2,000 Redis calls can be 2 full seconds of object cache transactions. Make sure you use the object cache wisely: keep to a sensible number of keys, don’t store a huge amount of data on each key, and avoid stampeding frontend writes and deletes.</p>
<p>Go forth and make awesome! And, once you’ve built something great, <a href="https://github.com/pantheon-systems/wp-redis/issues" rel="nofollow ugc">send us feature requests (or bug reports)</a>. Take a look at the wiki for <a href="https://github.com/pantheon-systems/wp-redis/wiki" rel="nofollow ugc">useful code snippets and other tips</a>.</p>
<h3>WP-CLI Commands</h3>
<p>This plugin implements a variety of <a href="https://wp-cli.org" rel="nofollow ugc">WP-CLI</a> commands. All commands are grouped into the <code>wp redis</code> namespace.</p>
<pre><code>$ wp help redis

NAME

  wp redis

SYNOPSIS

  wp redis <command>

SUBCOMMANDS

  cli         Launch redis-cli using Redis configuration for WordPress
  debug       Debug object cache hit / miss ratio for any page URL.
  enable      Enable WP Redis by creating the symlink for object-cache.php
  info        Provide details on the Redis connection.
</code></pre>
<p>Use <code>wp help redis <command></code> to learn more about each command.</p>
<h3>Contributing</h3>
<p>See <a href="https://github.com/pantheon-systems/wp-redis/blob/master/CONTRIBUTING.md" rel="nofollow ugc">CONTRIBUTING.md</a> for information on contributing.</p>


WP Redis

Awesome!!


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Do a little dance

Works like a charm and significantly improves the page rendering speed for my website. Play nice with https://wordpress.org/plugins/batcache/. These two allow me to get literally light speed performance for static pages.

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