Haystack LIVE! The Great Search Engine Debate – Elasticsearch, Solr or Vespa?

It’s one of the most popular search terms on OpenSource Connections’ website – Elasticsearch vs Solr, which should I use? Also, what about new contender Vespa from OATH/Yahoo?

We’ve gathered a group of industry experts to help you answer this question:

  • Anshum Gupta, Software Engineer – Search @ Apple, 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 OSC. Each expert will give a short pitch and then we’ll open the ‘floor’ for questions!

Picture from Keynote Vectors by Vecteezy (

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