Mastodon Full-Text Search with ElasticSearch

The default Mastodon search only returns results for posts that have federated with your server and include a hashtag. Mastodon supports ElasticSearch/Full-text search. When enabled, users on a Mastodon server can perform full-text searches for:

This can be handy but requires a significant amount of extra server resources, so this feature is optional. On, ElasticSearch is available as a paid add-on.