Devoxx2012: Search, the Final Frontier - Shay Banon

Elasticsearch features

• uses lucene internally
• Json / rest api + java library
• web interface
• distributed:
  • indexes: e.g. Time based indexes: logical grouping
  • shards, replicas
  • clusters
  • auto discovery of master
  • elected master: responsible for consistent state & does bookkeeping for new nodes
  • crashed master: logged, new master is auto-elected
  • move shards
• other (lucene features)
  • whitespace analyser
  • stop word removal
  • keyword analyser: keep as string
  • ngram / soundex