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DBMS > Amazon CloudSearch vs. Citus

System Properties Comparison Amazon CloudSearch vs. Citus

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Our visitors often compare Amazon CloudSearch and Citus with MongoDB, Oracle and PostgreSQL.

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonCitus  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQL
Primary database modelSearch engineRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.70
Rank#109  Overall
#9  Search engines
Score1.27
Rank#151  Overall
#75  Relational DBMS
Websiteaws.amazon.com/­cloudsearchwww.citusdata.com
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.citusdata.com
DeveloperAmazon
Initial release20122010
Current release8.1, December 2018
License infoCommercial or Open SourcecommercialOpen Source infoAGPL, commercial license also available
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Server operating systemshostedLinux
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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 infospecific XML type available, but no XML query functionality
Secondary indexesyes infoall search fields are automatically indexedyes
SQL infoSupport of SQLnoyes infostandard, with numerous extensions
APIs and other access methodsHTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
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.no
User concepts infoAccess controlauthentication via encrypted signaturesfine grained access rights according to SQL-standard

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More resources
Amazon CloudSearchCitus
DB-Engines blog posts

Amazon - the rising star in the DBMS market
3 August 2015, Matthias Gelbmann

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

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Recent citations in the news

Enterprise Search Software Market 2020 New Trends, Opportunities After COVID-19 & Major Companies – SLI Systems, Elasticsearch, Algolia, Apache Solr, Amazon CloudSearch, AddSearch, Coveo, Inbenta, FishEye, SearchSpring, Swiftype
21 October 2020, PRnews Leader

Global Enterprise Search Software Market 2025 Promising Growth Opportunities & Forecast : Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch, SLI Systems, Amazon CloudSearch, Coveo, FishEye, Inbenta
24 October 2020, Eurowire

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26 October 2020, Eurowire

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26 October 2020, Live Trading News

Enterprise Search Software Market To 2026 High Growth Opportunities | Emerging Trends | Industry Review | Global Forecast | Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch, SLI Systems, Amazon CloudSearch, Coveo, FishEye, Inbenta
22 October 2020, Eurowire

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Database Software Market Research Report 2020, Technology Development, Key Players and Competitor Analysis and Share Analysis
20 October 2020, KYT24

Microsoft acquires Citus Data for its open source PostgreSQL tool
24 January 2019, VentureBeat

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

Citus Data Announces HIPAA-Compliant Healthcare Cloud
13 November 2018, HITInfrastructure.com

Citus Data Announces Citus Cloud Database Support for HIPAA and SOC 2 Type 2 Compliance
13 November 2018, Business Wire

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