[ian1321]

Tough to answer w/o more info. FWIW, I've used Lucene, Solr, and Elasticsearch and have ended up settling on Lucene being the best interface for me.

[dajohnson89]

I thought Lucene was the underlying query language, whereas Solr & ES just utilized both...

[rjkennedy98]

Yeah I'm not sure what the OP is talking about. Lucene is the java search library that Elastic uses. Elastic is a full clustered search engine with HA, sharding, and a rest api. They aren't exactly interchangeable.