10月7日，Elasticsearch 团队发布了基于 Lucene 5.2.1 的 Elasticsearch 2.0.0-rc1 版本。这是而冻结 Elasticsearch 2.0 版本新的特征。
此版本更新内容：
增强
Exceptions:
Use a dedicated id to serialize EsExceptions instead of it's class name. #13629
Geo:
Expose points_only option through geo_shape field mapper #12893 (issue: #12856)
Internal:
Make ElasticsearchException ids for 2.0 consistent with master #13805
More helpful error message on parameter order #13737
Network:
Expose all addresses that the transports are bound to #13586 (issue: #12942)
Packaging:
Nuke ES_CLASSPATH appending, JarHell fail on empty classpath elements #13880 (issues: #13812, #13864)
Plugin Cloud Azure:
Enable SSL for Azure blob storage #13573
Plugin Cloud GCE:
cloud-gce plugin should check discovery.type #13809 (issue: #13614)
Plugins:
Adds a validation for plugins script to check if java is set #13633 (issue: #13613)
Settings:
Remove index.buffer_size setting #13563 (issue: #13548)
Bug 修复
CRUD:
Index name expressions should not be broken up #13691 (issue: #13665)
Core:
LoggingRunnable.run should catch and log all errors, not just Exception? #13718 (issue: #13487)
Improve IndexingMemoryController a bit #13548 (issue: #13487)
Exceptions:
Prevent losing stacktraces when exceptions occur #13587
Geo:
Fix GeoPointFieldMapper to index geohash at correct precision. #13649 (issue: #12467)
Index APIs:
Date math index names should work too when an index doesn't exist #13570
IndexNameExpressionResolver should not ignore any wildcards #13384 (issue: #13334)
Internal:
An inactive shard is activated by triggered synced flush #13802
Pending operations in the translog prevent shard from being marked as inactive #13759 (issue: #13707)
Logging:
Don't log multi-megabyte guice exceptions. #13782
Moving system property setting to before it can be used #13660 (issue: #13658)
Packaging:
Don't let ubuntu try to install its crazy jayatana agent. #13813 (issue: #13785)
Plugins:
Remove unused java opts/es java opts from plugin manager call #12801 (issue: #12479)
Settings:
ByteSizeValue.equals should normalize units #13784
Tribe Node:
Increment tribe node version on updates #13566
软件详情：https://www.elastic.co/blog/elasticsearch-2-0-0-rc1-released
下载地址：https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/zip/elasticsearch/2.0.0-rc1/elasticsearch-2.0.0-rc1.zip.sha1
来自:开源中国社区
