Using a Redis object cache for WordPress is a great way to make your WordPress website faster, especially if you’ve already gone through the “Making WordPress Fly” series of tutorials (noted that one commenter there actually mentioned Redis). You’ll need an Ubuntu 14.04 VPS with WordPress already setup on it. You can get an Ubuntu VM here if you don’t have one. You don’t have to use the aforementioned HHVM setup for this tutorial. However, using both HHVM and Redis object caching will give you the fastest load times. I will be releasing another article in the near future about improving HHVM stability for production deployments by using a PHP-FPM failover and an upstart script which does automatic respawning after a crash, something HHVM does not do by default on Ubuntu. Back to Redis – Redis is possibly the best way at present to implement the WordPress object cache. For a long time I have been a proponent of either APC or Memcached in combination W3 Total Cache for the object cache in WP. Why Use a Redis Object Cache for WordPress? During a recent server setup for a new website (My French City) I came across an issue. Caching using APC or Memcached helped with front end speed, but
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