DB-EnginesextremeDB - Data management wherever you need itEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by Redgate Software

DBMS > IBM Cloudant vs. OpenSearch vs. RocksDB

System Properties Comparison IBM Cloudant vs. OpenSearch vs. RocksDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonOpenSearch  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache LuceneEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelDocument storeSearch engine
Vector DBMS
Key-value store
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.50
Rank#99  Overall
#18  Document stores
Score17.19
Rank#32  Overall
#4  Search engines
#2  Vector DBMS
Score3.14
Rank#80  Overall
#11  Key-value stores
Websitewww.ibm.com/­products/­cloudantgithub.com/­opensearch-project
opensearch.org
rocksdb.org
Technical documentationcloud.ibm.com/­docs/­Cloudantopensearch.org/­docs/­latestgithub.com/­facebook/­rocksdb/­wiki
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014The OpenSearch Software FoundationFacebook, Inc.
Initial release201020212013
Current release2.19, February 20259.4.0, June 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open Source infoBSD
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.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageErlangJavaC++
Server operating systemshostedAll OS with a Java VMLinux
Data schemeschema-freeschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or datenoyesno
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 indexesyesyes infoAll search fields are automatically indexedno
SQL infoSupport of SQLnoSQL-like query languageno
APIs and other access methodsRESTful HTTP/JSON APIJava API
RESTful HTTP/JSON API
C++ API
Java API
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptyesno
Triggersyesyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
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 datano infoatomic operations within a document possiblenoyes
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyes
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.noyes
User concepts infoAccess controlAccess rights for users can be defined per databaseno

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
IBM CloudantOpenSearchRocksDB
Recent citations in the news

Cloudant Best (and Worst) Practices — Part 1
18 March 2019, IBM

Intro to Enterprise Cloud Storage: How to Set Up a Cloudant Database
1 December 2014, Linux.com

IBM to Purchase Cloudant Database as a service (DBaaS) Provider
22 March 2014, App Developer Magazine

IBM Code Engine and IBM Cloudant: Serverless Data and Infrastructure
16 August 2021, IBM

IBM’s new CEO lays out his roadmap
6 May 2020, TechCentral.ie

provided by Google News

OpenSearch in 2025: Much more than an Elasticsearch fork
28 April 2025, InfoWorld

Combine keyword and semantic search for text and images using Amazon Bedrock and Amazon OpenSearch Service
24 April 2025, Amazon Web Services (AWS)

AWS Brings Generative AI Capabilities to OpenSearch Service
31 March 2025, DevOps.com

Accelerate operational analytics with Amazon Q Developer in Amazon OpenSearch Service
31 March 2025, Amazon Web Services (AWS)

Accelerate data pipeline creation with the new visual interface in Amazon OpenSearch Ingestion
22 April 2025, Amazon Web Services (AWS)

provided by Google News

Linux 6.9 Drives AMD 4th Gen EPYC Performance Even Higher For Some Workloads
29 March 2024, Phoronix

Meta’s Velox Means Database Performance Is Not Subject To Interpretation
31 August 2022, The Next Platform

Facebook’s MyRocks Truly Rocks!
21 September 2020, Open Source For You

KIOXIA SSD 'Flexible Data Placement' tech is a game changer for generative AI and the cloud
14 October 2024, TweakTown

The Journey to a Million Ops / Sec / Node in Venice
16 March 2024, infoq.com

provided by Google News



Share this page

Featured Products

Milvus logo

Vector database designed for GenAI, fully equipped for enterprise implementation.
Try Managed Milvus for Free

RaimaDB logo

RaimaDB, embedded database for mission-critical applications. When performance, footprint and reliability matters.
Try RaimaDB for free.

Datastax Astra logo

Bring all your data to Generative AI applications with vector search enabled by the most scalable
vector database available.
Try for Free

SingleStore logo

The data platform to build your intelligent applications.
Try it free.

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Present your product here