Solr

Solr
開發者Apache软件基金会
当前版本
  • 9.7.0（2024年9月9日）[1]
編輯維基數據鏈接
源代码库
編輯維基數據鏈接
编程语言Java
操作系统跨平台
类型企業搜索伺服器軟件
许可协议
編輯維基數據鏈接
网站solr.apache.org/ 编辑维基数据

Solr（读作“solar”）是Apache Lucene项目的开源企业搜索（英语：Enterprise search）平台。其主要功能包括全文检索、命中標示[2]、分面搜索（英语：Faceted search）、动态聚类、数据库集成，以及富文本（如Word、PDF）的處理。Solr是高度可扩展的，并提供了分布式搜索和索引复制。Solr是最流行的企业级搜索引擎，[3]Solr 4还增加了NoSQL支持。[4]

Solr是用Java编写、运行在Servlet容器（如Apache Tomcat或Jetty）的一个独立的全文搜索服务器。 Solr采用了Lucene Java搜索库为核心的全文索引和搜索，并具有类似REST的HTTP/XML和JSON的API。 Solr强大的外部配置功能使得无需进行Java编码，便可对其进行调整以适应多种类型的应用程序。Solr有一个插件架构，以支持更多的高级定制。

因为2010年Apache Lucene和Apache Solr项目合并，两个项目是由同一个Apache软件基金会开发团队制作实现的。提到技术或产品时，Lucene/Solr或Solr/Lucene是一样的。

历史

2004年，Solr作为CNET Networks为公司网站添加搜索功能的一个内部项目，由Yonik Seeley创建。 后来Yonik Seeley随Grant Ingersoll和Erik Hatcher创建了LucidWorks（英语：LucidWorks）（原名Lucid Imagination），公司提供商业支持、咨询和Apache Solr搜索技术的培训。

2006年1月，CNET Networks决定捐赠其到Apache软件基金会顶级项目Lucene，公开发布其源代码。[5]像在Apache软件基金会的任何新项目一样，其进入了一个潜伏期，以助于解决组织、法律和金融问题。

2007年1月，Solr结束孵化状态，稳步成长，累积功能，从而形成聚集了用户、参与者和提交者的强大社区。作为一个新的开源项目，Solr已被应用于一些流量很高的网站。[6]

2008年9月，Solr 1.3发布了许多增强功能，包括分布式搜索功能和性能增强等。

2009年11月，Solr 1.4发布。此版本对索引、搜索和分面做了增强，并有许多其它改进，例如富文本（PDF、Word和HTML）的处理，基于Carrot 2的搜索结果聚簇，与数据库集成的改进。该版本还提供了许多插件。

2010年3月，Lucene和Solr项目合并。产品现在由同一组参与者共同开发。

在2011年，Solr改变了版本编号方案，以便与Lucene的匹配。为了使Solr和Lucene有相同的版本号，Solr 1.4的下一版本号为3.1。[7]

2012年10月，Solr 4.0版本发布，包括新的SolrCloud功能。

特色

参见

参考文献

  1. ^ https://solr.apache.org/news.html#apache-solrtm-970-available.
  2. ^ 命中標示（Hit highlighting），即对搜索结果高亮显示。
  3. ^ DB-Engines Ranking of Search Engines. DB-Engines. [2014-07-10]. （原始内容存档于2018-10-19）. 
  4. ^ Solr 4 preview: SolrCloud, NoSQL, and more. SearchHub. [2014-07-10]. （原始内容存档于2014-07-06）. 
  5. ^ SOLR-1 CNET code contribution. Atlassian JIRA. [2014-07-11]. （原始内容存档于2009-10-02）. 
  6. ^ Public Websites using Solr. Solr Wiki. [2014-07-11]. （原始内容存档于2018-09-22）. 
  7. ^ Solr 3.1. Solr Wiki. [2014-07-11]. （原始内容存档于2014-06-17）. 

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