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DBMS > Cassandra vs. Couchbase vs. Prometheus vs. Riak KV

System Properties Comparison Cassandra vs. Couchbase vs. Prometheus vs. Riak KV

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonPrometheus  Xexclude from comparisonRiak KV  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessJSON-based document store derived from CouchDB with a Memcached-compatible interfaceOpen-source TimeSeries DBMS and monitoring systemDistributed, fault tolerant key-value store
Primary database modelWide column storeDocument storeTime Series DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexes
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score118.99
Rank#10  Overall
#1  Wide column stores
Score27.68
Rank#29  Overall
#4  Document stores
Score6.43
Rank#60  Overall
#3  Time Series DBMS
Score5.59
Rank#66  Overall
#8  Key-value stores
Websitecassandra.apache.orgwww.couchbase.comprometheus.ioriak.com/­products/­riak-kv
Technical documentationcassandra.apache.org/­doc/­latestdocs.couchbase.comprometheus.io/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookCouchbase, Inc.Basho Technologies
Initial release2008201120152009
Current release4.0, July 2021Server: 6.5, January 2020; Mobile: 2.7, January 2020; Couchbase Autonomous Operator: 1.2, May 20192.1.0, April 2015
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache version 2; Commercial licenses also availableOpen Source infoApache 2.0Open Source infoApache version 2, commercial enterprise edition
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.Couchbase Cloud: Deploy, manage, and operate Couchbase in a few clicks
Implementation languageJavaC, C++, Go and ErlangGoErlang
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
Windows
Linux
Windows
Linux
OS X
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyes infoString, Boolean, NumberNumeric data onlyno
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 infoImport of XML data possibleno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesnorestricted
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)Declarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.nono
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Native language bindings for CRUD, Query, Search and Analytics APIsRESTful HTTP/JSON APIHTTP API
Native Erlang Interface
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Server-side scripts infoStored proceduresnoFunctions and timers in JavaScriptnoJavaScript and Erlang
Triggersyesyes infovia the TAP protocolnoyes infopre-commit hooks and post-commit hooks
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingShardingSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication infoincluding cross data center replication
Source-replica replication
yes infoby Federationselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Immediate Consistency infoselectable on a per-operation basis
noneEventual Consistency
Foreign keys infoReferential integritynononono infolinks between data sets can be stored
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoEphemeral bucketsno
User concepts infoAccess controlAccess rights for users can be defined per objectUser and Administrator separation with password-based and LDAP integrated Authenticationnono
More information provided by the system vendor
CassandraCouchbase infoOriginally called MembasePrometheusRiak KV
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Developed as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Couchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Customer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Amadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Named a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
The Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more

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Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

Instaclustr: Hosted & Managed Apache Cassandra as a Service
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more
CData: Connect to Big Data & NoSQL through standard Drivers.
» more

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

More resources
CassandraCouchbase infoOriginally called MembasePrometheusRiak KV
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