Welcome to the Apache Solr Wiki

General Information

• Solr Website

• Download latest Solr Release

• Introduction to Solr

• Solr Tutorial

• SOLR mailing lists: Sign-up or Search/Browse: Mailing List Archives

• The Solr FAQ and the Solr Relevancy FAQ

• SolrTerminology

• Powered by Solr

• SolrPerformanceData

• SolrResources - Blogs, Reviews, Articles, Presentations, etc...

• Support - People and companies for hire

• Solr Change Log with all the juicy info about recently committed features.

Solr Development

• Download newest Solr nightly build here or from Hudson

• HackingSolr -- Info for people interested in hacking and customizing the Solr application

• TaskList of ideas for future development

• HowToContribute improvements

• Info For Committers

• Hudson Build Status

• Clover Test Coverage of Latest Build

• SolrPluginRepository

Using Solr

Installation and Configuration

• General Installation Steps

  • Includes information about useful settings in specific enviornments

• SolrLogging

• ConfiguringSolr

  • SolrConfigXml

  • SchemaXml

  • AnalyzersTokenizersTokenFilters

  • SolrAndHTTPCaches

  • CoreAdmin

• SolrAdminGUI

Search and Indexing

• Solr Schema Design

  • SchemaDesign - Covers schema design problems and solutions

  • UniqueKey - Covers how to create the unique key for a schema

• Indexing Documents

  • Adding Documents in XML format - Covers XML syntax for adds, deletes, commits and optimizes

  • Adding Documents in CSV format

  • DataImportHandler - Solr contrib that supports full and delta indexing directly from SQL databases, and local or REST accessible XML files.

  • AnalysisRequestHandler - Analyzing documents without indexing

  • Solr Content Extraction Library (Solr Cell) - Covers how to index MS Word, PDF, etc. using Solr Cell (a.k.a. ExtractingRequestHandler). Also see the older version at UpdateRichDocuments

  • IndexingDates - Notes about indexing dates

  • Deduplication - prevent or tag duplicate documents

• Searching Solr

  • Request Handlers - Control the logic used to process requests. Several different Request Handlers are included with Solr, or you can write your own custom implementation.

  • Response Writers - Control the formating of the responses generated by Request Handlers. Several different Response Writers are included with Solr, or you can write your own custom implementation.

  • Input Parameters

    • QueryParametersIndex - index of query parameters in following wiki pages

    • CoreQueryParameters

    • CommonQueryParameters

    • SimpleFacetParameters

    • HighlightingParameters

    • MoreLikeThis

  • Search Components - Search Components provide core functionality to a Request Handler.

  • Query Syntax - syntax for default query parsing, and how to specify a Query Parser.

  • Function Queries - Using the values in Fields as factors in scoring

  • Update Processors - Update Processors define how an update request is processed.

Tips, Tricks and Use Cases

• FilterQueryGuidance - How do I partition my query in main query and filter query in order to have Solr's caching work efficiently?

• SolrFacetingOverview

• SolrPlugins

• SolrRelevancyCookbook

• LargeIndexes - Covers how to design and operate a very large Solr index.

• NearRealtimeSearch

• SpatialSearch

Solr Clients

• IntegratingSolr - includes information about accessing Solr from a variety of programming langauges and existing third party applications.

Operations and Production

• SolrCaching

• SolrPerformanceFactors

• SolrSecurity

• Index Replication

  • Built in SolrRequestHandler based SolrReplication

  • Unix script based CollectionDistribution

• DistributedSearch

• CollectionRebuilding

• MergingSolrIndexes

• SolrOperationsTools

• SolrJmx

How to edit this Wiki

This Wiki is a collaborative site, anyone can contribute and share:

• Create an account by clicking the "Login" link at the top of any page, and picking a username and password.
  • NOTE: The "ASF" question, is to help prevent link spamming bots. If you don't know what it means, googling for it might help.

• Edit any page by pressing Edit at the top or the bottom of the page

There are some conventions used on the Solr wiki:

• :TODO: (/!\ :TODO: /!\ ) is used to denote sections that definitely need to be cleaned up.

• Solr1.4 (<!> ["Solr1.4"]) is used to draw attention to which version of Solr a feature was (or will be) added to Solr.

Some general info on using this Wiki Software:

• Create a link to another page with joined capitalized words (like WikiSandBox) or with ["quoted words in brackets"]

• See HelpForBeginners to get you going, HelpContents for all help pages.

• HelpOnMoinWikiSyntax: quick access to wiki syntax