How does full text search work in jira?

[Dmitrii Strukov]

I'm interested in the implementation of search in jira.

Where can I read about how full-text search works in Jira?

Does jira run a separate full text database instance? (like: elasticsearch, solr, ..)

I have a Jira DataCenter, and I need to search for information from the Jira in another application, the built-in REST-API search works terribly.

Is it possible to use the full text index for your own purposes (from another application)?

[Florian Bonniec]

Hi @Dmitrii Strukov 

Jira do not use elasticsearch but Apache lucene.

You can find a bit more information here.

https://confluence.atlassian.com/jiracoreserver085/search-syntax-for-text-fields-981157472.html

Regards