This Week in Elasticsearch and Apache Lucene - Cluster Cloning in Hosted Elasticsearch

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

Changes in 2.2:

Changes in 2.x:

Changes in master:


  • Work has started on using UUIDs to identify indices on the file system, rather than relying just on index names.
  • The reindex API is starting to use the task management framework.
  • Search refactoring continues with the suggesters and sorting. A design bug in aggs refactoring (creating one instance per node instead of per shard) will require quite a big change.
  • Updating mappings with update_all_types isn't working correctly.

Apache Lucene

Watch This Space

Stay tuned to this blog, where we'll share more news on the whole Elastic ecosystem including news, learning resources and cool use cases!