2012
Apache Solr vs ElasticSearch - the Feature Smackdown!
by Xavier LacotA Solr vs ElasticSearch comparison
2010
ElasticSearch - Open Source, Distributed, RESTful Search Engine
by Xavier LacotA distributed, highly available and restful search engine. It looks very promising and rather easy to deploy and have working. The killer feature : schema-less indexing (auto-discovery based on conventions). A serious concurrent to Solr ?
1
(2 marks)