Apache Solr官网普通更新（2021-01-29）

29 January 2021, Apache Solr™ 8.8.0 available

<br/> <br/> 29/01/2021, Apache Solr™ 8.8 available<br/>The Lucene PMC is pleased to announce the release of Apache Solr 8.8<br/>Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search and analytics, rich document parsing, geospatial search, extensive REST APIs as well as parallel SQL. Solr is enterprise grade, secure and highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world&#39;s largest internet sites.<br/>The release is available for immediate download at:<br/>https://lucene.apache.org/solr/downloads.html<br/>Please read CHANGES.txt for a detailed list of changes:<br/>https://lucene.apache.org/solr/8_8_0/changes/Changes.html<br/>Solr 8.8.0 Release Highlights<br/>Reducing overseer bottlenecks using per-replica states. More stability and lesser load on large cluster that use this feauture. Better restart and collection creation performance<br/>Interleaving support in Learning To Rank<br/>A summary of important changes is published in the Solr Reference Guide at https://lucene.apache.org/solr/guide/8_8/solr-upgrade-notes.html. For the most exhaustive list, see the full release notes at https://lucene.apache.org/solr/8_8_0/changes/Changes.html or by viewing the CHANGES.txt file accompanying the distribution. Solr&#39;s release notes usually don&#39;t include Lucene layer changes. Lucene&#39;s release notes are at https://lucene.apache.org/core/8_8_0/changes/Changes.html<br/>

Apache Solr 是一个开源的搜索服务器。Solr 使用 Java 语言开发，主要基于 HTTP 和 Apache Lucene 实现。Apache Solr 中存储的资源是以 Document 为对象进行存储的。每个文档由一系列的 Field 构成，每个 Field 表示资源的一个属性。

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