THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Please read CHANGES.txt for a full list of new features and changes:
https://lucene.apache.org/core/8_4_0/changes/Changes.html
Lucene 8.4.0 Release Highlights:
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- Concurrent search is getting more efficient by allowing collectors to share information across threads in order to more efficiently skip non-competitive hits.
- Faster FST lookups on dense nodes are getting faster by indexing labels using a bit set. This allowed to remove a cache, which in-turn might help decrease memory usage on indices that have lots of indexed fields.
- Postings are now decoded using SIMD instructions.
LRUQueryCache includes new heuristics that prevent caching from hurting latency too much.
- LatLonShape builds a more efficient tree that is expected to translate into search speed improvements.
- BaseDirectoryReader no longer sums up document counts across leaves eagerly, allowing for more efficient reader views that hide a subset of the documentdocuments.
- The index on top of BKD trees is now stored off-heap with MMapDirectory.
- Simple Intervals Queries supports highlighting.
- Reading DocValues can be interrupted when timeout is exceeded.
Further details of changes are available in the change log available at: https://lucene.apache.org/core/8_4_0/changes/Changes.html
Please report any feedback to the mailing lists (https://lucene.apache.org/core/discussion.html)
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