发布于 2018-01-17 03:17:47 | 208 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的ElasticSearch权威指南,程序狗速度看过来!
ElasticSearch 基于Lucene的搜索引擎
ElasticSearch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。
我们建立一个网站或应用程序,并要添加搜索功能,令我们受打击的是:搜索工作是很难的。我们希望我们的搜索解决方案要快,我们希望有一个零配置和一个完全免费的搜索模式,我们希望能够简单地使用JSON通过HTTP的索引数据,我们希望我们的搜索服务器始终可用,我们希望能够一台开始并扩展到数百,我们要实时搜索,我们要简单的多租户,我们希望建立一个云的解决方案。Elasticsearch旨在解决所有这些问题和更多的。
ElasticSearch 6.1.2 和 5.6.6 已发布,和平时一样,更新内容主要是功能增强、Bug 修复以及一些升级,具体如下:
6.1.2 更新内容
增强
Internal
Bug 修复
Aggregations
Fix incorrect results for aggregations nested under a nested aggregation #27946 (issue: #27912)
Fix composite aggregation when after term is missing in the shard #27936
Fix preserving FiltersAggregationBuilder#keyed field on rewrite #27900 (issue: #27841)
Engine
Use _refresh
to shrink the version map on inactivity #27918 (issue: #27852)
Allow resize version map under lock even if there are pending operations #27870 (issue: #27852)
Network
Only bind loopback addresses when binding to local #28029
Recovery
Search
Use the underlying connection version for CCS connections #28093
Carry forward weights, etc on rescore rewrite #27981 (issue: #27979)
Snapshot/Restore
Translog
5.6.6 更新内容
Bug 修复
Index Templates
Prevent constructing an index template without index patterns #27662
Network
Plugin Repository HDFS
Fix SecurityException when HDFS Repository used against HA Namenodes #27196
Search
Use the underlying connection version for CCS connections #28093
Fix routing with leading or trailing whitespace #27712 (issue: #27708)
Settings
Snapshot/Restore
升级
Ingest
update ingest-attachment to use Tika 1.17 and newer deps #27824
来自:
https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-6.1.2.html
https://www.elastic.co/guide/en/elasticsearch/reference/5.6/release-notes-5.6.6.html
下载地址:https://www.elastic.co/downloads/elasticsearch
源码下载:https://github.com/elastic/elasticsearch/releases