Title: Apache Luceneā„¢ 7.2.0 available category: core/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Lucene 7.2.0.

Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.

This release contains numerous bug fixes, optimizations, and improvements, some of which are highlighted below. The release is available for immediate download at:

https://lucene.apache.org/core/mirrors-core-latest-redir.html

Please read CHANGES.txt for a full list of new features and changes:

https://lucene.apache.org/core/7_2_0/changes/Changes.html

Lucene 7.2.0 Release Highlights:

  • Specific query implementations can now opt out of caching.
  • TopFieldDocCollector can now early terminate collection of matches when the index is sorted and the total hit count is not requested.
  • IndexWriter#flushNextBuffer gives more fine-grained control over the memory usage of IndexWriter.
  • Fixed document accounting in IndexWriter.
  • Query scores can be exposed in a ValuesSource using DoubleValuesSource.fromQuery().