elasticsearch 2.0.0 beta1 发布，分布式搜索引擎
欢迎加入运维网交流群:263444886elasticsearch 2.0.0 beta1 发布，主要更新内容如下：
[*] Pipeline Aggregations which allow you to run aggregations on the results of other aggregations, including derivatives, moving averages, and Holt Winters predictive algorithms.
[*] Better store compression to fit more data into your disks and file system cache.
[*] Better heap usage with doc-values-by-default, reduced memory usage during merges, and roaring bitsets for filter caching.
[*] Structured, readable, exceptions.
[*] Optimised query execution order, auto-caching of filters, and parent-child rewritten for faster queries.
[*]
More>
[*] Writes to transaction logs are atomic and durable by default.
[*]
A big cleanup to type mappings to make them safe, unambiguous, and>
[*] Binding only to localhost by default.
[*] Cluster state diffs for faster change propagation.
完整更新内容请看：release note
下载页面：v2.0.0-beta1
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
[*] .NET API
[*] PHP API — 1.0 — other versions
[*] Perl API
[*] Python API
[*] Ruby API
提供 Marvel 可视化监控台：
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