Elasticsearch, Solr, Solr or the comparably new contender Vespa from OATH/Yahoo. Which is a suitable search engine for me?  We gathered a group of industry experts to help you answer this question:

Anshum Gupta, Software Engineer - Apache Lucene/Solr committer and VP of Apache Lucene
Josh Devins, Senior Principal Engineer, Machine Learning at Elastic
Jo Kristian Bergum, Senior Principal Software Engineer at Verizon Media working on Vespa.
Moderated by Charlie Hull, Managing Consultant at OpenSource Connections.

This debate is presented by Haystack, the search relevance conference. Find out more at https://haystackconf.com/