WordPress is a very popular CMS that is used all over the internet for a variety of use cases. WordPress traditionally uses MySQL for the database and for its search functionality.

A good alternative is to use Elasticsearch to extend WordPress’s search functionality.

In this article, we cover how to install ElasticPress, a plugin that can be used to exploit Elasticsearch’s powerful search capabilities with WordPress.

Bulk indexing in Elasticsearch is an important topic to understand because you might occasionally need to write your own code to bulk index custom data. In addition, experience with bulk indexing is important when you need to understand performance issues with an Elasticsearch cluster.