Elasticsearch 6.5.2 已发布，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。

改进

Aggregations

• Handles exists query in composite aggs #35758

SQL

• Improve validation of unsupported fields #35675 (issue: #35673)

修复

CCR

• Only auto follow indices when all primary shards have started #35814 (issue: #35480)

• Avoid NPE in follower stats when no tasks metadata #35802

Features/Watcher

• Only trigger a watch if new or schedule/changed #35908

Infra/Build

• Fix jdbc jar pom to not include deps #36036 (issue: #32014)

Infra/Packaging

• Add missing entries to conffiles #35810 (issue: #35691)

Infra/Scripting

• Actually add joda time back to whitelist #35965

• Add back joda to whitelist #35915 (issue: #35913)

Machine Learning

• Adjust file structure finder parser config #35935

• Prevent potential NPE when reading the model memory limit #35827

SQL

• Fix issue with wrong data type for scripted Grouping keys #35969 (issue: #35662)

• Fix translation of math functions to painless #35910 (issue: #35654)

• Fix jdbc jar to include deps #35602

Search

• Fix analyzed prefix query in query_string #35756 (issue: #31702)

• Add a More Like This query routing requirement check (#29678) #33974

Snapshot/Restore

• Revert "Use more precise does S3 bucket exist method" #35732 (issues: #34123, #35703, #35731)

Regressions

Infra/Scripting

• Use Number as a return value for BucketAggregationScript #35653 (issue: #35351)

下载地址：

 https://www.elastic.co/downloads/elasticsearch