DB-EnginesCrateDB bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Solr

Solr System Properties

Please select another system to compare it with Solr.

Our visitors often compare Solr with Elasticsearch, Microsoft Azure Search and MongoDB.

Editorial information provided by DB-Engines
NameSolr
DescriptionA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score51.26
Rank#18  Overall
#3  Search engines
Websitelucene.apache.org/­solr
Technical documentationlucene.apache.org/­solr/­resources.html
DeveloperApache Software Foundation
Initial release2006
Current release8.5.2, May 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyes infosupports customizable data types and automatic typing
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yes
Secondary indexesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSolr Parallel SQL Interface
APIs and other access methodsJava API
RESTful HTTP/JSON API
Supported programming languages.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresJava plugins
Triggersyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsspark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyes

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Solr
DB-Engines blog posts

Elasticsearch replaced Solr as the most popular search engine
12 January 2016, Paul Andlinger

Enterprise Search Engines almost double their popularity in the last 12 months
2 July 2014, Paul Andlinger

The DB-Engines ranking includes now search engines
4 February 2013, Paul Andlinger

show all

Recent citations in the news

SOLR's labor and finance activism
25 May 2020, North by Northwestern

Solar Alliance Shares for Debt Agreements TSX Venture Exchange:SOLR
6 May 2020, GlobeNewswire

COVID 19 Impacted Analysis on Enterprise Search Market Demand & SWOT Analysis By 2025: Key Players Swiftype | Algolia | Elasticsearch | Apache Solr | SearchSpring | AddSearch
1 June 2020, 3rd Watch News

Enterprise Search Software Market Future and Technological Advancement by Key Companies: Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch
29 May 2020, Newark Now

Emerging opportunities in the Enterprise Search Software Market (Covid-19 Updated) | Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch.
28 May 2020, Newark Now

provided by Google News

Job opportunities

Software Engineer
SpotRight, United States

Hadoop Solr Consultant
Frontend Arts, Salt Lake, UT

Product Manager
Woongjin, Inc, Ridgefield Park, NJ

Entry-level Data Integrator
Semantic AI, Alexandria, VA

Entry-level Data Analyst
Semantic AI, Alexandria, VA

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandraâ„¢ from the Cassandra experts.
Learn more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here