Apache Solr官网安全更新（2020-03-24）

24 March 2020, Apache Solr™ 8.5.0 available

<br> <br> The Lucene PMC is pleased to announce the release of Apache Solr 8.5.0.<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, dynamic clustering, database integration, rich document handling, and geospatial search. Solr is highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.<br>Solr 8.5.0 is available for immediate download at:<br>https://lucene.apache.org/solr/downloads.html<br>Solr 8.5.0 Release Highlights:<br><br>A new queries&nbsp;property of JSON Request API let to declare queries in Query DSL format and refer to them by their names.<br>A new command line tool bin/postlogs allows you to index Solr logs into a Solr collection. This is helpful for log analysis and troubleshooting. Documentation is not yet integrated into the Solr Reference Guide, but is available in a branch via GitHub:&nbsp;https://github.com/apache/lucene-solr/blob/visual-guide/solr/solr-ref-guide/src/logs.adoc.<br>A new stream decorator delete() is available to help solve some issues with traditional delete-by-query, which can be expensive in large indexes.<br>Solr now has the ability to run with a Java Security Manager enabled.<br><br>Please read CHANGES.txt for a full list of changes:<br>https://lucene.apache.org/solr/8_5_0/changes/Changes.html<br>Solr 8.5.0 also includes improvements and bugfixes in the corresponding Apache Lucene release:<br>https://lucene.apache.org/core/8_5_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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https://lucene.apache.org/solr/news.html