solr是什么

Solr is an open source enterprise search platform from the Apache Lucene project. Its major features include full-text search, hit highlighting, faceted search, dynamic clustering, database integration, and rich document (e.g., Word, PDF) handling. Providing distributed search and index replication, Solr is designed for scalability and fault tolerance.

Solr is the popular, blazing-fast, open source enterprise search platform built on Apache Lucene™.

Solr enables you to easily create search engines which searches websites, databases and files.

Solr makes it easy to run a full-featured search server. It can power the search for a website, an online product catalog, a media gallery, etc.

Solr is highly scalable, providing distributed search and index replication, and it is designed to be fault tolerant.

Solr is written in Java and runs as a standalone full-text search server within a servlet container such as Tomcat. Solr uses the Lucene Java search library at its core for full-text indexing and search, and has REST-like HTTP/XML and JSON APIs that make it easy to use from virtually any programming language. Solr's external configuration allows it to be tailored to almost any type of application without Java coding, and it has an extensive plugin architecture when more advanced customization is required.

Solr is provided under the Apache License, Version 2.0.