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DBMS > Elasticsearch vs. Solr

System Properties Comparison Elasticsearch vs. Solr

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricA widely used enterprise search engine based on Apache Lucene
Primary database modelSearch engineSearch engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score143.44
Rank#8  Overall
#1  Search engines
Score61.48
Rank#16  Overall
#3  Search engines
Websitewww.elastic.co/­products/­elasticsearchlucene.apache.org/­solr
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmllucene.apache.org/­solr/­resources.html
DeveloperElasticApache Software Foundation
Initial release20102004
Current release6.5.3, December 20187.6.0, December 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2; Elastic LicenseOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a ServiceElasticsearch Service on Elastic Cloud: Try out the official hosted Elasticsearch and Kibana offering available on AWS and GCP that's powered by the creators of Elasticsearch.
Implementation languageJavaJava
Server operating systemsAll OS with a Java VMAll OS with a Java VM and a servlet container inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyesyes 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.nono
Secondary indexesyes infoAll search fields are automatically indexedyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like query languageno infosupports limited query time joins
APIs and other access methodsJava API
RESTful HTTP/JSON API
Java API
RESTful HTTP API
Supported programming languages.Net
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Community Contributed Clients
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyesJava plugins
Triggersyes infoby using the 'percolation' featureyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyescloud/distributed (via Zookeeper)
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectorno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allEventual Consistency infoslaves poll the master in predefined intervalls
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic locking infoSolr 4
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationno
More information provided by the system vendor
ElasticsearchSolr
Specific characteristicsElasticsearch is a highly scalable open source full-text search and analytics engine....
» more
Competitive advantagesOpen source, real-time index, search and analysis, horizontally scalable, distributed,...
» more
Typical application scenarios
» more
Key customers
» more
Market metricsMore than 250 million cumulative downloads More than 100,000 community members in...
» more
Licensing and pricing modelsThe Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash) is free and open source...
» more

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
3rd partiesElastic Cloud: Try the official hosted Elasticsearch.
» more

Dremio: Analyze your data with standard SQL and any BI tool. Accelerate your queries up to 1,000x.
» more

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

More resources
ElasticsearchSolr
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Elasticsearch moved into the top 10 most popular database management systems
3 July 2017, Matthias Gelbmann

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2 March 2016, Paul Andlinger

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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

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Recent citations in the news

Toshi: A full text search engine modeled after Elasticsearch
14 January 2019, JAXenter

Announcing the 2019 Elastic Search Awards
19 December 2018, Business Wire

File Inclusion Bug in Kibana Console for Elasticsearch Gets Exploit Code
18 December 2018, BleepingComputer

How to install Elasticsearch on Ubuntu Server 18.04
2 January 2019, TechRepublic

Elastic, search company for Uber and Tinder, nearly doubles in IPO
5 October 2018, ZDNet

provided by Google News

Economy Energy likely to enter SoLR process after credit default
7 January 2019, Utility Week

Open source search engines attract developers
15 January 2019, TechTarget

Indicator Focus: Kaufman Adaptive Moving Average Trending Lower on Shares of Solar Alliance Energy Inc (SOLR.V)
16 January 2019, Cedarville News

After Oracle WebLogic miner attack, critical Apache Solr bug is now targeted
9 March 2018, ZDNet

Ofgem gives green light to SoLR licence condition changes
5 November 2018, Utility Week

provided by Google News

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