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DBMS > Amazon CloudSearch vs. Apache Solr vs. Elasticsearch

System Properties Comparison Amazon CloudSearch vs. Apache Solr vs. Elasticsearch

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonApache Solr  Xexclude from comparisonElasticsearch  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudA widely used distributed, scalable search engine based on Apache LuceneA 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 metric
Primary database modelSearch engineSearch engineSearch engine
Vector DBMS
Secondary database modelsSpatial DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.62
Rank#135  Overall
#12  Search engines
Score32.40
Rank#24  Overall
#3  Search engines
Score128.08
Rank#8  Overall
#1  Search engines
#1  Vector DBMS
Websiteaws.amazon.com/­cloudsearchsolr.apache.orgwww.elastic.co/­elasticsearch
Technical documentationdocs.aws.amazon.com/­cloudsearchsolr.apache.org/­resources.htmlwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.html
DeveloperAmazonApache Software FoundationElastic
Initial release201220062010
Current release9.6.1, May 20248.6, January 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2Open Source infoElastic License
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava
Server operating systemshostedAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)All OS with a Java VM
Data schemeyesyes infoDynamic Fields enables on-the-fly addition of new fieldsschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or dateyesyes infosupports customizable data types and automatic typingyes
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.yesno
Secondary indexesyes infoall search fields are automatically indexedyes infoAll search fields are automatically indexedyes infoAll search fields are automatically indexed
SQL infoSupport of SQLnoSolr Parallel SQL InterfaceSQL-like query language
APIs and other access methodsHTTP APIJava API
RESTful HTTP/JSON API
Java 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
.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoJava pluginsyes
Triggersnoyes infoUser configurable commands triggered on index changesyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduceES-Hadoop Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic lockingno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesMemcached and Redis integration
User concepts infoAccess controlauthentication via encrypted signaturesyes

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More resources
Amazon CloudSearchApache SolrElasticsearch
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Recent citations in the news

Transition from Amazon CloudSearch to Amazon OpenSearch Service
25 July 2024, Amazon Web Services

AWS is quietly killing off services under its new CEO
31 July 2024, The Stack

Amazon CloudSearch – Even Better Searching for Less Than $100/Month
24 March 2014, Amazon Web Services

AWS closes several cloud services to new customers
8 August 2024, InfoWorld

AWS CodeCommit, Cloud9 closure communication critiqued
2 August 2024, TechTarget

provided by Google News

(SOLR) Long Term Investment Analysis
22 April 2025, news.stocktradersdaily.com

Migrate from Apache Solr to OpenSearch
18 July 2024, Amazon Web Services

SOLR hand-delivers petition in support of dining workers after vote to authorize strike last week
7 March 2025, The Daily Northwestern

Flexible Searching with Solr and Sunspot
7 November 2024, SitePoint

Apache Solr For Windows Vulnerability Allows Arbitrary Path write-access
27 January 2025, CybersecurityNews

provided by Google News

Elastic Delivers Performance Gains for Users Running Elasticsearch on Google Axion Processors
10 April 2025, Business Wire

Bubble.io 0-Day Flaw Lets Attackers Run Arbitrary Queries on Elasticsearch
18 April 2025, GBHackers News

Elastic Delivers Performance Gains for Users Running Elasticsearch on Google Axion Processors
10 April 2025, Yahoo Finance

Elasticsearch will be open source again as CTO declares changed landscape
2 September 2024, devclass

Amazon OpenSearch Service announces Standard and Extended Support dates for Elasticsearch and OpenSearch versions
7 November 2024, Amazon Web Services

provided by Google News



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