[{"_index":"enwiki_content_1784718242","_id":"10443665","_version":[],"_source":{"template":["Template:Short description","Template:Pagetype","Template:Main other","Template:Short description\/lowercasecheck","Template:SDcat","Template:Infobox software","Template:Infobox","Template:If empty","Template:Pluralize from text","Template:Infobox software\/simple","Template:Wikidata","Template:Cite web","Template:Start date and age","Template:Yesno","Template:Time ago","Template:Yesno-no","Template:Template other","Template:Official URL","Template:URL","Template:Citation needed","Template:Fix","Template:Fix\/category","Template:Delink","Template:Portal","Template:Reflist","Template:Reflist\/styles.css","Template:Refbegin","Template:Refbegin\/styles.css","Template:Cite book","Template:Refend","Template:Official website","Template:Apache Software Foundation","Template:Navbox","Template:Icon","Template:Hlist\/styles.css","Module:Pagetype","Module:Pagetype\/config","Module:Yesno","Module:Arguments","Module:Wikitext Parsing","Module:Pagetype\/softredirect","Module:Pagetype\/setindex","Module:Pagetype\/disambiguation","Module:Disambiguation\/templates","Module:Pagetype\/rfd","Module:Check for unknown parameters","Module:String","Module:SDcat","Module:Infobox","Module:If empty","Module:InfoboxImage","Module:InfoboxImage\/data","Module:Detect singular","Module:Text","Module:Wd","Module:Wd\/i18n","Module:Citation\/CS1","Module:Citation\/CS1\/Configuration","Module:Citation\/CS1\/Whitelist","Module:Citation\/CS1\/Utilities","Module:Citation\/CS1\/Date validation","Module:Citation\/CS1\/Identifiers","Module:Citation\/CS1\/COinS","Module:Citation\/CS1\/styles.css","Module:Time ago","Module:Date","Module:Infobox\/styles.css","Module:Official website","Module:URL","Module:Check for conflicting parameters","Module:Unsubst","Module:Category handler","Module:Category handler\/data","Module:Category handler\/config","Module:Category handler\/shared","Module:Category handler\/blacklist","Module:Namespace detect\/data","Module:Namespace detect\/config","Module:Delink","Module:Portal","Module:Portal\/styles.css","Module:Portal\/images\/f","Module:Navbox","Module:Navbox\/configuration","Module:Navbox\/styles.css","Module:TableTools","Module:Icon","Module:Icon\/data","Module:Navbar","Module:Navbar\/configuration","Module:Navbar\/styles.css"],"content_model":"wikitext","page_type":"primary","opening_text":"Solr (pronounced \"solar\") is an open-source enterprise-search platform, written in Java. Its major features include full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, database integration, NoSQL features and rich document (e.g., Word, PDF) handling. Providing distributed search and index replication, Solr is designed for scalability and fault tolerance. Solr is widely used for enterprise search and analytics use cases and has an active development community and regular releases. Solr runs as a standalone full-text search server. It 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 usable from most popular programming languages. Solr's external configuration allows it to be tailored to many types of applications without Java coding, and it has a plugin architecture to support more advanced customization. Apache Solr is developed in an open, collaborative manner by the Apache Solr project at the Apache Software Foundation.","wiki":"enwiki","auxiliary_text":["Solr Developer Apache Software Foundation Stable release 10.0.0 \/ 3 March 2026; 5 months ago\u00a0(3 March 2026) Written in Java Operating system Cross-platform Type Search and index API License Apache License 2.0 Website solr.apache.org Repository Solr Repository","Open-source enterprise-search platform"],"language":"en","title":"Apache Solr","score":1.6361427299921e-6,"page_id":10443665,"create_timestamp":"2007-04-03T19:15:35Z","weighted_tags":["classification.prediction.drafttopic\/Culture.Media.Software|987","classification.prediction.drafttopic\/Culture.Internet culture|635","classification.prediction.drafttopic\/STEM.Computing|714","classification.prediction.drafttopic\/Culture.Media.Media*|956","classification.prediction.drafttopic\/STEM.STEM*|986","classification.prediction.drafttopic\/STEM.Technology|907","recommendation.link\/exists","classification.prediction.articletopic\/Culture.Media.Media*|936","classification.prediction.articletopic\/STEM.Computing|863","classification.prediction.articletopic\/STEM.Technology|914","classification.prediction.articletopic\/Culture.Media.Software|899","classification.prediction.articletopic\/STEM.STEM*|970","recommendation.tone\/exists|688","ext.pageassessments.project\/Computing|40","ext.pageassessments.project\/Java|40","ext.pageassessments.project\/Project-independent assessment|10"],"text":"Solr (pronounced \"solar\") is an open-source enterprise-search platform, written in Java. Its major features include full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, database integration, NoSQL features and rich document (e.g., Word, PDF) handling. Providing distributed search and index replication, Solr is designed for scalability and fault tolerance. Solr is widely used for enterprise search and analytics use cases and has an active development community and regular releases. Solr runs as a standalone full-text search server. It 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 usable from most popular programming languages. Solr's external configuration allows it to be tailored to many types of applications without Java coding, and it has a plugin architecture to support more advanced customization. Apache Solr is developed in an open, collaborative manner by the Apache Solr project at the Apache Software Foundation. In 2004, Solr was created by Yonik Seeley at CNET Networks as an in-house project to add search capability for the company website. In January 2006, CNET Networks decided to openly publish the source code by donating it to the Apache Software Foundation. Like any new Apache project, it entered an incubation period that helped solve organizational, legal, and financial issues. In January 2007, Solr graduated from incubation status into a standalone top-level project (TLP) and grew steadily with accumulated features, thereby attracting users, contributors, and committers. Although quite new as a public project, it powered several high-traffic websites. In September 2008, Solr 1.3 was released including distributed search capabilities and performance enhancements among many others. In January 2009, Yonik Seeley along with Grant Ingersoll and Erik Hatcher joined Lucidworks (formerly Lucid Imagination), the first company providing commercial support and training for Apache Solr search technologies.[citation needed] Since then, support offerings around Solr have been abundant. In November 2009, saw the release of Solr 1.4. This version introduced enhancements in indexing, searching and faceting along with many other improvements such as rich document processing (PDF, Word, HTML), Search Results clustering based on Carrot2 and also improved database integration. The release also features many additional plug-ins. In March 2010, the Lucene and Solr projects merged. Separate downloads continued, but the products were now jointly developed by a single set of committers. In 2011, the Solr version number scheme was changed in order to match that of Lucene. After Solr 1.4, the next release of Solr was labeled 3.1, in order to keep Solr and Lucene on the same version number. In October 2012, Solr version 4.0 was released, including the new SolrCloud feature. 2013 and 2014 saw a number of Solr releases in the 4.x line, steadily growing the feature set and improving reliability. In February 2015, Solr 5.0 was released, the first release where Solr is packaged as a standalone application, ending official support for deploying Solr as a war. Solr 5.3 featured a built-in pluggable Authentication and Authorization framework. In April 2016, Solr 6.0 was released. Added support for executing Parallel SQL queries across SolrCloud collections. Includes StreamExpression support and a new JDBC Driver for the SQL Interface. In September 2017, Solr 7.0 was released. This release among other things, added support multiple replica types, auto-scaling, and a Math engine. In March 2019, Solr 8.0 was released including many bugfixes and component updates. Solr nodes can now listen and serve HTTP\/2 requests. Be aware that by default, internal requests are also sent by using HTTP\/2. Furthermore, an admin UI login was added with support for BasicAuth and Kerberos. And plotting math expressions in Apache Zeppelin is now possible. In November 2020, Bloomberg donated the Solr Operator to the Lucene\/Solr project. The Solr Operator helps deploy and run Solr in Kubernetes. In February 2021, Solr was established as a separate Apache project (TLP), independent from Lucene. In May 2022, Solr 9.0 was released, as the first release independent from Lucene, requiring Java 11, and with highlights such as KNN \"Neural\" search, better modularization, more security plugins and more. In March 2026, Solr 10.0 was released. In order to search a document, Apache Solr performs the following operations in sequence: Indexing: converts the documents into a machine-readable format. Querying: understanding the terms of a query asked by the user. These terms can be images or keywords, for example. Mapping: Solr maps the user query to the documents stored in the database to find the appropriate result. Ranking: as soon as the engine searches the indexed documents, it ranks the outputs by their relevance. Solr has both individuals and companies who contribute new features and bug fixes. Solr is bundled as the built-in search in many applications such as content management systems and enterprise content management systems. Hadoop distributions from Cloudera, Hortonworks and MapR all bundle Solr as the search engine for their products marketed for big data. DataStax DSE integrates Solr as a search engine with Cassandra. Solr is supported as an end point in various data processing frameworks and Enterprise integration frameworks.[citation needed] Solr exposes industry standard HTTP REST-like APIs with both XML and JSON support, and will integrate with any system or programming language supporting these standards. For ease of use there are also client libraries available for Java, C#, PHP, Python, Ruby and most other popular programming languages. Free and open-source software portal Open Semantic Framework List of information retrieval libraries \"3 March 2026, Apache Solr\u2122 10.0.0 available\". Retrieved 17 August 2026. \"Solr 4 preview: SolrCloud, NoSQL, and more | SearchHub | Lucene\/Solr Open Source Search\". Archived from the original on 2014-07-06. Retrieved 2014-07-10. \"Apache Solr -\". apache.org. Retrieved 16 January 2017. Thuma, John (2018-08-09). \"What is Apache Solr\". Medium. Retrieved 2022-10-16. \"[SOLR-1] CNET code contribution - ASF JIRA\". apache.org. Retrieved 16 January 2017. \"PublicServers - Solr Wiki\". apache.org. Retrieved 16 January 2017. \"Apache Solr -\". apache.org. Retrieved 16 January 2017. \"Support - Solr Wiki\". apache.org. Retrieved 16 January 2017. \"Apache Solr -\". apache.org. Retrieved 16 January 2017. \"[VOTE] merge lucene\/solr development (take 3) - Yonik Seeley - org.apache.lucene.general - MarkMail\". markmail.org. Archived from the original on 24 April 2021. Retrieved 16 January 2017. Solr3.1 - Solr Wiki. Wiki.apache.org (2013-05-16). Retrieved on 2013-07-21. Apache Lucene. Lucene.apache.org. Retrieved on 2013-07-21. \"Apache Solr - News\". apache.org. Retrieved 16 January 2017. \"[SOLR-6733] Umbrella issue - Solr as a standalone application - ASF JIRA\". apache.org. Retrieved 16 January 2017. \"Solr 5.3 Release announcement\". lucene.apache.org. Retrieved 2015-09-24. \"Apache Solr - News\". apache.org. Retrieved 16 January 2017. \"Apache Solr - News\". \"Apache Solr 8.0 Release notes\". \"12 May 2022, Apache Solr\u2122 9.0.0 available\". \"Solr News\". solr.apache.org. Retrieved 2026-03-27. \"Highest Voted 'solr' Questions\". stackoverflow.com. Retrieved 16 January 2017. \"Lucene\/Solr Revolution 2016\". lucenerevolution.org. Archived from the original on 5 September 2017. Retrieved 16 January 2017. \"SFBay Apache Lucene\/Solr Meetup\". meetup.com. Retrieved 16 January 2017. \"Oslo Solr Community\". meetup.com. Retrieved 16 January 2017. \"LinkedIn Solr Group\". linkedin.com. Retrieved 16 January 2017. \"Hadoop for Everyone: Inside Cloudera Search - Cloudera Engineering Blog\". cloudera.com. 24 June 2013. Retrieved 16 January 2017. \"Bringing Enterprise Search to Enterprise Hadoop - Hortonworks\". hortonworks.com. 2 April 2014. Retrieved 16 January 2017. \"DataStax Enterprise: Cassandra with Solr Integration Details\". datastax.com. 12 April 2012. Retrieved 6 February 2017. \"IntegratingSolr - Solr Wiki\". apache.org. Retrieved 16 January 2017. Grainger, Trey; Potter, Timothy (March 2014). Solr in Action (1st\u00a0ed.). Manning Publications. p.\u00a0664. ISBN\u00a09781617291029. Smiley, David; Pugh, Eric; Parisa, Kranti; Mitchell, Matt (February 2014). Apache Solr 4 Enterprise Search Server (1st\u00a0ed.). Packt Publishing. p.\u00a0451. ISBN\u00a09781782161363. Serafini, Alfredo (December 2013). Apache Solr Beginner's Guide (1st\u00a0ed.). Packt Publishing. p.\u00a0324. ISBN\u00a09781782162520. Rafalovitch, Alexandre (June 2013). Instant Apache Solr for Indexing Data How-to (1st\u00a0ed.). Packt Publishing. p.\u00a090. ISBN\u00a09781782164845. Ku\u0107, Rafa\u0142 (January 2013). Apache Solr 4 Cookbook (1st\u00a0ed.). Packt Publishing. p.\u00a0328. ISBN\u00a09781782161325. Smiley, David; Pugh, Eric (November 20, 2011). Apache Solr 3 Enterprise Search Server (1st\u00a0ed.). Packt Publishing. p.\u00a0418. ISBN\u00a0978-1-84951-606-8. Ku\u0107, Rafa\u0142 (July 22, 2011). Apache Solr 3.1 Cookbook (1st\u00a0ed.). Packt Publishing. p.\u00a0300. ISBN\u00a0978-1-84951-218-3. Smiley, David; Pugh, Eric (August 19, 2009). Solr 1.4 Enterprise Search Server (1st\u00a0ed.). Packt Publishing. p.\u00a0336. ISBN\u00a0978-1-84719-588-3. Official website Ansible role to install SolrCloud in a Debian environment","timestamp":"2026-03-27T09:45:48Z","redirect":[{"namespace":0,"title":"Solr"}],"wikibase_item":"Q2858103","heading":["History","Operations","Community","Integrating Solr","Bibliography"],"source_text":"{{Short description|Open-source enterprise-search platform}}\n{{Infobox software\n| name = Solr\n| logo = [[File:Apache Solr logo.svg|130px|Solr logo]]\n| screenshot = \n| caption = \n| developer = [[Apache Software Foundation]]\n| latest release version = {{wikidata|property|reference|P348}}\n| latest release date    = {{start date and age|{{wikidata|qualifier|P348|P577}}}}\n| latest preview version = \n| latest preview date = \n| operating system = [[Cross-platform]]\n| platform = \n| repo = {{URL|https:\/\/gitbox.apache.org\/repos\/asf?p{{=}}solr.git|Solr Repository}}\n| programming language = [[Java (programming language)|Java]]\n| genre = [[Search algorithm|Search]] and [[index (search engine)|index]] [[Application programming interface|API]]\n| license = [[Apache License 2.0]]\n| website = {{Official URL}}\n}}\n'''Solr''' (pronounced \"solar\") is an [[Open-source software|open-source]] [[enterprise search|enterprise-search]] platform, written in [[Java (programming language)|Java]]. Its major features include [[Full text search|full-text search]], hit highlighting, [[faceted search]], real-time indexing, dynamic clustering, database integration, [[NoSQL]] features<ref>{{cite web|url=http:\/\/searchhub.org\/2012\/05\/21\/solr-4-preview\/ |title=Solr 4 preview: SolrCloud, NoSQL, and more &#124; SearchHub &#124; Lucene\/Solr Open Source Search |access-date=2014-07-10 |url-status=dead |archive-url=https:\/\/web.archive.org\/web\/20140706165443\/http:\/\/searchhub.org\/2012\/05\/21\/solr-4-preview\/ |archive-date=2014-07-06}}<\/ref> and rich document (e.g., Word, PDF) handling. Providing distributed search and index replication, Solr is designed for scalability and [[fault tolerance]].<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/#intro|title=Apache Solr -|work=apache.org|access-date=16 January 2017}}<\/ref> Solr is widely used for enterprise search and analytics use cases and has an active development community and regular releases.\n\nSolr runs as a standalone full-text search server. It 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 usable from most popular programming languages. Solr's external configuration allows it to be tailored to many types of applications without Java coding, and it has a plugin architecture to support more advanced customization.\n\nApache Solr is developed in an open, collaborative manner by the Apache Solr project at the [[Apache Software Foundation]].\n\n==History==\nIn 2004, Solr was created by Yonik Seeley at [[CNET Networks]] as an in-house project to add search capability for the company website.<ref>{{Cite web |last=Thuma |first=John |date=2018-08-09 |title=What is Apache Solr |url=https:\/\/johnthuma.medium.com\/what-is-apache-solr-a18a60004e70 |access-date=2022-10-16 |website=Medium |language=en}}<\/ref>\n\nIn January 2006, CNET Networks decided to openly publish the source code by donating it to the [[Apache Software Foundation]].<ref>{{cite web|url=http:\/\/issues.apache.org\/jira\/browse\/SOLR-1|title=[SOLR-1] CNET code contribution - ASF JIRA|work=apache.org|access-date=16 January 2017}}<\/ref> Like any new Apache project, it entered an incubation period that helped solve organizational, legal, and financial issues.\n\nIn January 2007, Solr graduated from incubation status into a standalone top-level project (TLP) and grew steadily with accumulated features, thereby attracting users, contributors, and committers. Although quite new as a public project, it powered several high-traffic websites.<ref>{{cite web|url=http:\/\/wiki.apache.org\/solr\/PublicServers|title=PublicServers - Solr Wiki|work=apache.org|access-date=16 January 2017}}<\/ref>\n\nIn September 2008, Solr 1.3 was released including distributed search capabilities and performance enhancements among many others.<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/news.html#15%20September%202008%20-%20Solr%201.3.0%20Available|title=Apache Solr -|work=apache.org|access-date=16 January 2017}}<\/ref>\n\nIn January 2009, Yonik Seeley along with Grant Ingersoll and Erik Hatcher joined [[Lucidworks]] (formerly Lucid Imagination), the first company providing commercial support and training for Apache Solr search technologies.{{citation needed|reason=date=February 2015|date=February 2015}} Since then, support offerings around Solr have been abundant.<ref>{{cite web|url=http:\/\/wiki.apache.org\/solr\/Support|title=Support - Solr Wiki|work=apache.org|access-date=16 January 2017}}<\/ref>\n\nIn November 2009, saw the release of Solr 1.4. This version introduced enhancements in indexing, searching and faceting along with many other improvements such as rich document processing ([[PDF]], [[Microsoft Word|Word]], [[HTML]]), Search Results clustering based on [[Carrot2]] and also improved database integration. The release also features many additional plug-ins.<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/#10%20November%202009%20-%20Solr%201.4%20Released|title=Apache Solr -|work=apache.org|access-date=16 January 2017}}<\/ref>\n\nIn March 2010, the [[Lucene]] and Solr projects merged.<ref>{{cite web|url=http:\/\/lucene.markmail.org\/thread\/cmbek34vfycb6sfc|title=[VOTE] merge lucene\/solr development (take 3) - Yonik Seeley - org.apache.lucene.general - MarkMail|work=markmail.org|access-date=16 January 2017|archive-date=24 April 2021|archive-url=https:\/\/web.archive.org\/web\/20210424030617\/https:\/\/lucene.markmail.org\/thread\/cmbek34vfycb6sfc|url-status=dead}}<\/ref> Separate downloads continued, but the products were now jointly developed by a single set of committers.\n\nIn 2011, the Solr version number scheme was changed in order to match that of Lucene. After Solr 1.4, the next release of Solr was labeled 3.1, in order to keep Solr and Lucene on the same version number.<ref>[http:\/\/wiki.apache.org\/solr\/Solr3.1 Solr3.1 - Solr Wiki]. Wiki.apache.org (2013-05-16). Retrieved on 2013-07-21.<\/ref>\n\nIn October 2012, Solr version 4.0 was released, including the new SolrCloud feature.<ref>[https:\/\/lucene.apache.org\/solr\/solrnews.html Apache Lucene]. Lucene.apache.org. Retrieved on 2013-07-21.<\/ref> 2013 and 2014 saw a number of Solr releases in the 4.x line, steadily growing the feature set and improving reliability.\n\nIn February 2015, Solr 5.0 was released,<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/news.html#20-february-2015-apache-solr-500-and-reference-guide-for-50-available|title=Apache Solr - News|work=apache.org|access-date=16 January 2017}}<\/ref> the first release where Solr is packaged as a standalone application,<ref>{{cite web|url=https:\/\/issues.apache.org\/jira\/browse\/SOLR-6733|title=[SOLR-6733] Umbrella issue - Solr as a standalone application - ASF JIRA|work=apache.org|access-date=16 January 2017}}<\/ref> ending official support for deploying Solr as a [[WAR (file format)|war]]. Solr 5.3 featured a built-in pluggable Authentication and Authorization framework.<ref>{{cite web|title = Solr 5.3 Release announcement|url = https:\/\/lucene.apache.org\/solr\/news.html#24-august-2015-apache-solr-530-and-reference-guide-for-53-available|website = lucene.apache.org|access-date = 2015-09-24}}<\/ref>\n\nIn April 2016, Solr 6.0 was released.<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/news.html#8-april-2016-apache-solr-600-available|title=Apache Solr - News|work=apache.org|access-date=16 January 2017}}<\/ref> Added support for executing Parallel SQL queries across SolrCloud collections. Includes StreamExpression support and a new JDBC Driver for the SQL Interface.\n\nIn September 2017, Solr 7.0 was released.<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/news.html#20-september-2017-apache-solr-700-available|title=Apache Solr - News}}<\/ref> This release among other things, added support multiple replica types, auto-scaling, and a Math engine.\n\nIn March 2019, Solr 8.0 was released including many bugfixes and component updates.<ref>{{cite web|url=https:\/\/lucene.apache.org\/solr\/8_0_0\/changes\/Changes.html|title=Apache Solr 8.0 Release notes}}<\/ref> Solr nodes can now listen and serve HTTP\/2 requests. Be aware that by default, internal requests are also sent by using HTTP\/2. Furthermore, an admin UI login was added with support for BasicAuth and Kerberos. And plotting math expressions in [[Apache Zeppelin]] is now possible.\n\nIn November 2020, Bloomberg donated the [https:\/\/github.com\/apache\/lucene-solr-operator Solr Operator] to the Lucene\/Solr project. The Solr Operator helps deploy and run Solr in [[Kubernetes]].\n\nIn February 2021, Solr was established as a separate Apache project (TLP), independent from Lucene.\n\nIn May 2022, Solr 9.0 was released,<ref>{{Cite web |title=12 May 2022, Apache Solr\u2122 9.0.0 available |url=https:\/\/solr.apache.org\/news.html#apache-solrtm-900-available }}<\/ref> as the first release independent from Lucene, requiring Java 11, and with highlights such as KNN \"Neural\" search, better modularization, more security plugins and more.\n\nIn March 2026, Solr 10.0 was released<ref>{{Cite web |title=Solr News |url=https:\/\/solr.apache.org\/news.html |access-date=2026-03-27 |website=solr.apache.org}}<\/ref>.\n\n==Operations==\nIn order to search a document, Apache Solr performs the following operations in sequence:\n# Indexing: converts the documents into a machine-readable format.\n# Querying: understanding the terms of a query asked by the user. These terms can be images or keywords, for example. \n# Mapping: Solr maps the user query to the documents stored in the database to find the appropriate result.\n# Ranking: as soon as the engine searches the indexed documents, it ranks the outputs by their relevance.\n\n==Community==\nSolr has both individuals and companies who contribute new features and bug fixes.<ref>{{cite web|url=https:\/\/stackoverflow.com\/questions\/tagged\/solr?sort=votes|title=Highest Voted 'solr' Questions|work=stackoverflow.com|access-date=16 January 2017}}<\/ref>\n<ref>{{cite web|url=http:\/\/lucenerevolution.org\/|title=Lucene\/Solr Revolution 2016|work=lucenerevolution.org|access-date=16 January 2017|archive-date=5 September 2017|archive-url=https:\/\/web.archive.org\/web\/20170905223731\/http:\/\/lucenerevolution.org\/|url-status=dead}}<\/ref><ref>{{cite web|url=http:\/\/www.meetup.com\/SFBay-Lucene-Solr-Meetup\/|title=SFBay Apache Lucene\/Solr Meetup|work=meetup.com|access-date=16 January 2017}}<\/ref><ref>{{cite web|url=http:\/\/www.meetup.com\/Oslo-Solr-Community\/|title=Oslo Solr Community|work=meetup.com|access-date=16 January 2017}}<\/ref><ref>{{cite web|url=http:\/\/www.linkedin.com\/groups\/Solr-1557747|title=LinkedIn Solr Group|work=linkedin.com|access-date=16 January 2017}}<\/ref>\n\n==Integrating Solr==\nSolr is bundled as the built-in search in many applications such as [[content management system]]s and [[enterprise content management]] systems. [[Hadoop]] distributions from [[Cloudera]],<ref>{{cite web|url=http:\/\/blog.cloudera.com\/blog\/2013\/06\/hadoop-for-everyone-inside-cloudera-search\/|title=Hadoop for Everyone: Inside Cloudera Search - Cloudera Engineering Blog|date=24 June 2013|work=cloudera.com|access-date=16 January 2017}}<\/ref> [[Hortonworks]]<ref>{{cite web|url=http:\/\/hortonworks.com\/blog\/bringing-enterprise-search-enterprise-hadoop\/|title=Bringing Enterprise Search to Enterprise Hadoop - Hortonworks|date=2 April 2014|work=hortonworks.com|access-date=16 January 2017}}<\/ref> and [[MapR]] all bundle Solr as the search engine for their products marketed for [[big data]]. [[DataStax]] DSE integrates Solr as a search engine with [[Apache Cassandra|Cassandra]].<ref>{{cite web|url=http:\/\/www.datastax.com\/dev\/blog\/datastax-enterprise-cassandra-with-solr-integration-details\/|title=DataStax Enterprise: Cassandra with Solr Integration Details|date=12 April 2012|work=datastax.com|access-date=6 February 2017}}<\/ref> Solr is supported as an end point in various data processing frameworks and [[Enterprise integration]] frameworks.{{citation needed|date=July 2015}}\n\nSolr exposes industry standard [[HTTP]] [[REST|REST-like]] [[API]]s with both [[XML]] and [[JSON]] support, and will integrate with any system or programming language supporting these standards. For ease of use there are also client libraries available for [[Java (programming language)|Java]], [[C Sharp (programming language)|C#]], [[PHP]], [[Python (programming language)|Python]], [[Ruby (programming language)|Ruby]] and most other popular programming languages.<ref>{{cite web|url=https:\/\/wiki.apache.org\/solr\/IntegratingSolr|title=IntegratingSolr - Solr Wiki|work=apache.org|access-date=16 January 2017}}<\/ref>\n\n==See also==\n{{Portal|Free and open-source software}}\n* [[Open Semantic Framework]]\n* [[List of information retrieval libraries]]\n\n==References==\n{{Reflist|3}}\n\n==Bibliography==\n{{Refbegin}}\n* {{cite book\n | first1    = Trey\n | last1     = Grainger\n | first2    = Timothy\n | last2     = Potter\n | date      = March 2014\n | title     = Solr in Action\n | publisher = [[Manning Publications]]\n | edition   = 1st\n | page      = 664 \n | isbn      = 9781617291029}}\n* {{cite book\n | first1    = David\n | last1     = Smiley\n | first2    = Eric\n | last2     = Pugh\n | first3    = Kranti\n | last3     = Parisa\n | first4    = Matt\n | last4     = Mitchell\n | date      = February 2014\n | title     = Apache Solr 4 Enterprise Search Server \n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 451 \n | isbn      = 9781782161363\n | url       = http:\/\/www.packtpub.com\/apache-solr-4-enterprise\/book}}\n* {{cite book\n | first1    = Alfredo\n | last1     = Serafini\n | date      = December 2013\n | title     = Apache Solr Beginner's Guide\n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 324 \n | isbn      = 9781782162520\n | url       = http:\/\/www.packtpub.com\/apache-solr-beginners-guide\/book}}\n* {{cite book\n | first1    = Alexandre\n | last1     = Rafalovitch\n | date      = June 2013\n | title     = Instant Apache Solr for Indexing Data How-to \n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 90 \n | isbn      = 9781782164845\n | url       = http:\/\/www.packtpub.com\/apache-solr-for-indexing-data\/book}}\n* {{cite book\n | first1    = Rafa\u0142\n | last1     = Ku\u0107\n | date      = January 2013\n | title     = Apache Solr 4 Cookbook\n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 328 \n | isbn      = 9781782161325\n | url       = http:\/\/www.packtpub.com\/apache-solr-4-cookbook\/book}}\n* {{cite book\n | first1    = David\n | last1     = Smiley\n | first2    = Eric\n | last2     = Pugh\n | date      = November 20, 2011\n | title     = Apache Solr 3 Enterprise Search Server \n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 418 \n | isbn      = 978-1-84951-606-8\n | url       = http:\/\/www.packtpub.com\/apache-solr-3-enterprise-search-server\/book}}\n* {{cite book\n | first1    = Rafa\u0142\n | last1     = Ku\u0107\n | date      = July 22, 2011\n | title     = Apache Solr 3.1 Cookbook\n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 300 \n | isbn      = 978-1-84951-218-3\n | url       = http:\/\/www.packtpub.com\/solr-3-1-enterprise-search-server-cookbook\/book}}\n* {{cite book\n | first1    = David\n | last1     = Smiley\n | first2    = Eric\n | last2     = Pugh\n | date      = August 19, 2009\n | title     = Solr 1.4 Enterprise Search Server\n | publisher = [[Packt|Packt Publishing]]\n | edition   = 1st\n | page      = 336\n | isbn      = 978-1-84719-588-3\n | url       = http:\/\/www.packtpub.com\/solr-1-4-enterprise-search-server}}\n{{Refend}}\n\n==External links==\n* {{Official website}}\n* [https:\/\/github.com\/idealista\/solrcloud_role Ansible role to install SolrCloud in a Debian environment]\n\n{{Apache Software Foundation}}\n\n[[Category:Apache Software Foundation projects|Solr]]\n[[Category:Free software programmed in Java]]\n[[Category:Free search engine software]]\n[[Category:Search engine software]]\n[[Category:Database-related software for Linux]]\n[[Category:NoSQL]]\n[[Category:Software using the Apache 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