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Apache Solr 5.0 发布,Java 搜索服务器

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Apache Solr 5.0 发布,Java 搜索服务器

你知道的,每次 Lucene 发布新版本时,Solr 也会相应发布更新版本。Lucene 刚刚发布了5.0 版本,Solr 也同时发布了 5.0 版本。从 5.0 开始 Solr 不再提供 war 包方式,而是以独立的 Java 服务器方式提供安装(小编个人不喜欢,至少应该保留 war 包,因为更方便于使用自己喜好的容器部署)。

Solr 5.0 的改进内容包括:

Ease Of Use

  • Improved bin/solr and new bin/post scripts

  • New, and restructured, example Config Sets available by default

  • SolrJ now has first class support for the Collections API

  • Implicit registration of /replication , /get , and /admin/* request handlers

Operational Support

  • Scripts to support installing and running Solr as a service on Linux

  • Logging improvements :

    • Transaction log replay status is now logged

    • Optional logging of slow requests.

  • Config API that supports paramsets for easily configuring Solr parameters for request handlers and editing common solrconfig.xml options.

  • New Blob Store API with support for uploading and distributing plugin jars.

SolrCloud & Distributed Requests

  • Splitting of clusterstate to per-collection enables scalability improvement in SolrCloud

  • Distributed IDF Support

  • Option to configure max bandwidth usage by ReplicationHandler

New Search Functionality

  • pivot.facet results can now include nested stats.field results constrained by those pivots

  • stats.field can be used to generate statistics over the results of arbitrary numeric functions

  • A new DateRangeField has been added for indexing date ranges, especially multi-valued ones

  • Spatial fields that used to require units=degrees now take distanceUnits=degrees/kilometers miles instead

  • MoreLikeThis query parser allows requesting for documents similar to an existing document

  • timeAllowed is now used to prematurely terminate requests during query expansion and SolrClient request retry

详细介绍请看官方 发行说明 。

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