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Apache Lucene 6.0.0 发布了,一些提升:
* Java 8 is the minimum Java version required.
* Dimensional points, replacing legacy numeric fields, provides fast and
space-efficient support for both single- and multi-dimension range and
shape filtering. This includes numeric (int, float, long, double),
InetAddress, BigInteger and binary range filtering, as well as geo-spatial
shape search over indexed 2D LatLonPoints. See
https://www.elastic.co/blog/lucene-points-6.0 for details. Dependent
classes and modules (e.g., MemoryIndex, Spatial Strategies, Join module)
have been refactored to use new point types.
* Lucene> KNearestNeighborClassifier or SimpleNaiveBayesClassifier.
* The spatial module no longer depends on third-party libraries. Previous
spatial>
* Spatial4j has been updated to a new 0.6 version hosted by locationtech.
* TermsQuery performance boost by a more aggressive default query caching
policy.
* IndexSearcher's default Similarity is now changed to BM25Similarity.
* Easier method of defining custom CharTokenizer instances.
下载地址:http://lucene.apache.org/core/mirrors-core-latest-redir.html