Elasticsearch 5.4.0 released
Blog post from Elastic
Elasticsearch 5.4.0, based on Lucene 6.5.0, introduces significant improvements and optimizations in search functionality and query execution. The release features batched reduction of search results to manage memory usage more effectively on coordinating nodes, allowing the shard soft limit to be set as unlimited by default. It also enhances the accuracy of proximity queries for multi-word synonyms through improvements in Lucene's handling of graph token streams and introduces optimized query execution for range and nested queries. Additional updates include adjustments to Netty's default receive predictor size, date-range query enhancements in the percolator, and migration of sensitive settings to a secure keystore. The release aims to provide a more efficient, reliable, and user-friendly search experience, inviting users to test and provide feedback through various platforms.
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