21 April 2015

This week in Elasticsearch and Apache Lucene: 5.1.0 is released!

Von Alexander Reelsen

Welcome to This Week in Elasticsearch and Apache Lucene! With this weekly series, we're bringing you an update on all things Elasticsearch and Apache Lucene at Elastic, including the latest on commits, releases and other learning resources.

Top News

Elasticsearch Core

  • Internal: Cleanup JVM info and stats (#10553, 2.0.0)
  • Internal: Improve exception handling in transport local execution (#10554, 2.0.0)
  • Build: Restrict read permission to project.basedir/target if security manager is used (#10572, 2.0.0)
  • Core: Rename START phase into <code>VERIFY_INDEX (#10570, 2.0.0)
  • Core: Move back to single EngineConfig (#10586, 2.0.0)
  • Cleanup: Remove unused normsField from <code>MatchAllQuery (#10592, 2.0.0)
  • Translog: Remove useless random translog directory selection (#10589, 2.0.0, 1.6.0)
  • Aggregations: Fix _as_string output to only show when format specified (#10571, 2.0.0, 1.6.0, 1.5.2)
  • Tests: Forbid tests from writing to CWD (#10605, 2.0.0)
  • Tests: Fix shadow engine tests (#10621, 2.0.0)
  • Mappings: Same code path for dynamic mappings updates and updates coming from the API (#10593, 2.0.0)
  • Build: Add tests progress indicator (#10635, 2.0.0)
  • Dependencies: Upgrade to Lucene-5.2-snapshot-1674183. (#10641, 2.0.0)
  • Core: Fix possible NPE in InternalClusterService$NotifyTimeout, the <code>future field is set from a different thread (#10630, 2.0.0, 1.6.0, 1.5.0)
  • Aggregations: Added context for significant_terms scoring (#10633, 2.0.0)
  • Test: Add back really old upgrade test (#10639, 2.0.0)
  • Internal: Cleanup local code transport execution (#10582, 2.0.0)
  • Testing: Integrate better with lucene test framework and mockfilesystems (#10656, 2.0.0)
  • Search: Cut over to IndexSearcher.count() (#10674, 2.0.0)
  • Packaging: Standardization of packages structure and install (#10595, 2.0.0, 1.6.0)
  • Mappings: Remove dead code after previous refactorings (#10666, 2.0.0)
  • Snapshot/Restore: Improve the error message when attempting to snapshot a closed index (#10608, 2.0.0, 1.6.0)
  • Internal: Ensure that explanation descriptions are not null on serialization (#10689, 2.0.0, 1.6.0)
  • Core: Log sending translog operation batches to nodes (#10544, 2.0.0, 1.6.0)
  • Analysis: fix ignoring tokenizer settings in SynonymTokenFilterFactory (#10489, 2.0.0, 1.6.0, 1.5.2)
  • Log only a summary line of filesystem detail for all path.data on node startup (#10527, 2.0.0, 1.6.0)
  • Term Vectors: terms filtering (#9561, 2.0.0)
  • MLT Query: lenient default parameters (#9412, 2.0.0)
  • MLT API: Fix misbehaving user parameters (#8028, 2.0.0)
  • Upgrade API: Add upgrade_only_ancient_segments option to upgrade API (#10540, 2.0.0, 1.6.0)
  • Startup: Export the hostname as environment variable (#9474, 2.0.0, 1.6.0)
  • Mapping: Fixed an equality check in StringFieldMapper (#10359, 2.0.0, 1.6.0, 1.5.2)
  • Store: Move to one data.path per shard (#10461, 2.0.0)

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