ElasticSearch 1.5.1发布,分布式搜索引擎

　　ElasticSearch 1.5.1 发布，下载地址：https://github.com/elastic/elasticsearch/archive/v1.5.1.zip

　　此版本主要更改信息如下：

• Core:

• Core: Lucene merges should run on the target shard during recovery #10463 (issue: #9226)

• Engine:

• Sync translog before closing engine #10484

• Geo:

• Fix validate_* merge policy for GeoPointFieldMapper #10165 (issue: #10164)

• Inner Hits:

• Make sure size=0 works on the inner_hits level. #10388 (issue: #10358)

• Make sure inner hits also work for nested fields defined in object field #10353 (issue: #10334)

• Fix bug where parse error is thrown if a inner filter is used in a nested filter/query. #10309 (issue: #10308)

• Fix nested stored field support. #10235 (issue: #9766)

• Internal:

• Bugfix+unittest for unneccesary mapping refreshes caused by unordered fielddata settings #10370 (issue: #10318)

• Don't try to send a mapping refresh if there is no master #10311 (issue: #10283)

• Mapping:

• Fix _field_names to be disabled on pre 1.3.0 indexes #10268 (issue: #9893)

• Network:

• Transport: fix racing condition in timeout handling #10220 (issue: #10187)

• Parent/Child:

• Children aggregation: Fix 2 bugs in children agg #10263 (issues: #10158, #9544, #9958)

• Percolator:

• Fix wrong use of currentFieldName outside of a parsing loop #10307

• Query DSL:

• Avoid NPE during query parsing #10333

• Function score: apply min_score to sub query score if no function provided #10326 (issue: #10253)

• Function_score: undo "Remove explanation of query score from functions" #9826

• Recovery:

• State: Refactor state format to use incremental state IDs #10316

• Recovery: RecoveryState.File.toXContent reports file length as recovered bytes #10310

• Fail shard when index service/mappings fails to instantiate #10283

• Snapshot/Restore:

• Don't reuse source index UUID on restore #10367

• Snapshot/Restore: separate repository registration #10354 (issue: #10351)

• Automatically add "index." prefix to the settings are changed on restore... #10269 (issue: #10133)

详细信息请看发行说明。

Elastic Search 是一个基于 Lucene 构建的开源，分布式，RESTful 搜索引擎。设计用于云计算中，能够达到实时搜索，稳定，可靠，快速，安装使用方便。支持通过 HTTP 使用 JSON 进行数据索引。

ElasticSearch 提供多种语言的客户端 API：

• Java API — 1.x —  other versions

• JavaScript API — 2.4 —  other versions

• Groovy API — 1.x —  other versions

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• PHP API — 1.0 —  other versions

• Perl API

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