THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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27 Sep 2021, Apache Lucene™ 8.10 available
The Lucene PMC is pleased to announce the release of Apache Lucene 8.10.
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Lucene 8.10 Release Highlights
New features
- Multi-valued fields are now supported in numeric range facet counting
- Added new analyzer for Telugu
- Near-real-time readers opened from an
IndexCommit
can now sort their leaves SimpleText
codec now implements skipping for its postings lists
Optimizations
- Performance improvements for faceting, including a new protected API to control which fields are counted for drill-down during drill sideways, and optimized drill sideways iteratingMulti-valued fields are now supported in numeric range facet counting
RegexpQuery
's detection of adversarial (ReDoS) regular expressions is improved, catching exotic cases that it missed before, and throwingTooComplexToDeterminizeException
- Speedup for computing the leading prefix and trailing suffix from an
Automaton
, and for managing powersets during determinize - Speedups for stored fields retrieval with the default codec (BEST_SPEED)
IndexWriter
uses less RAM when buffering documents, especially in the case of many unique fields and many threadsforceMerge
will now merge any number of segments at once, making it much faster in many cases- Compression improvements for docvalues storage
- Added new analyzer for Telugu Near-real-time readers opened from an
IndexCommit
can now sort their leaves... plus a number of exciting bug fixes!
Further details of changes are available in the change log available at: http://lucene.apache.org/core/8_10/changes/Changes.html
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