Elasticsearch 6.4.2 发布，分布式搜索与数据分析引擎

Elasticsearch 6.4.2 发布了，Elasticsearch 是一个分布式的 RESTful 风格的搜索和数据分析引擎，能够解决不断涌现出的各种用例。作为 Elastic Stack 的核心，它集中存储你的数据，帮助你发现意料之中以及意料之外的情况。

该版本的更新内容如下

功能增强

Search

• Add a limit for graph phrase query expansion #34031

Bug 修复

Core

• Fix AutoQueueAdjustingExecutorBuilder settings validation #33922

Index APIs

• Allow to clear the fielddata cache per field #33807 (issue: #33798)

Network

• Support PKCS#11 tokens as keystores and truststores [OPEN] #34063 (issue: #11)
• Correctly handle PKCS#11 tokens for system keystore #33460 (issues: #11, #33459)

Security

• Security: use default scroll keepalive #33639

Snapshot/Restore

• Do not override named S3 client credentials #33793 (issue: #33769)

Watcher

• Watcher: Ensure triggered watch deletion is sync #33799

下载地址：https://www.elastic.co/cn/downloads/elasticsearch

转自 https://www.oschina.net/news/100780/elasticsearch-6-4-2-released