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DBMS > Couchbase vs. CouchDB vs. Memcached

System Properties Comparison Couchbase vs. CouchDB vs. Memcached

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionA distributed document store with integrated cache, a powerful search engine, in-built operational and analytical capabilities, and an embedded mobile databaseA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.In-memory key-value store, originally intended for caching
Primary database modelDocument store
Vector DBMS
Document storeKey-value store
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
Search engine
Time Series DBMS
Vector DBMS
Wide column store
Spatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.82
Rank#38  Overall
#5  Document stores
#3  Vector DBMS
Score6.60
Rank#53  Overall
#9  Document stores
Score15.47
Rank#34  Overall
#4  Key-value stores
Websitewww.couchbase.comcouchdb.apache.orgwww.memcached.org
Technical documentationdocs.couchbase.comdocs.couchdb.org/­en/­stablegithub.com/­memcached/­memcached/­wiki
DeveloperCouchbase, Inc.Apache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release201120052003
Current releaseServer: 7.6, March 2024; Mobile: 3.3, August 2024; Couchbase Capella (DBaaS), September 20243.3.3, December 20231.6.29, June 2024
License infoCommercial or Open SourceOpen Source infoBusiness Source License (BSL 1.1); Commercial licenses also availableOpen Source infoApache version 2Open Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, Go and ErlangErlangC
Server operating systemsLinux
OS X
Windows
Android
BSD
Linux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnono
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.no
Secondary indexesyesyes infovia viewsno
SQL infoSupport of SQLSQL++, extends ANSI SQL to JSON for operational, transactional, and analytic use casesnono
APIs and other access methodsCLI Client
HTTP REST
Kafka Connector
Native language bindings for CRUD, Query, Search and Analytics APIs
Spark Connector
Spring Data
RESTful HTTP/JSON APIProprietary protocol
Supported programming languages.Net
C
Go
Java
JavaScript infoNode.js
Kotlin
PHP
Python
Ruby
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresFunctions and timers in JavaScript and UDFs in Java, Python, SQL++View functions in JavaScriptno
Triggersyes infovia the TAP protocolyesno
Partitioning methods infoMethods for storing different data on different nodesAutomatic ShardingSharding infoimproved architecture with release 2.0none
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication infoincluding cross data center replication
Source-replica replication
Multi-source replication
Source-replica replication
none infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single document possibleno
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes
Durability infoSupport for making data persistentyesyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsno
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authentication. Role-base access control.Access rights for users can be defined per databaseyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
Couchbase infoOriginally called MembaseCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"Memcached
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Recent citations in the news

Activist Investor Irenic Capital Builds Stake in Software Maker Couchbase
30 April 2025, Bloomberg

Here's Why We're Not At All Concerned With Couchbase's (NASDAQ:BASE) Cash Burn Situation
7 May 2025, Yahoo Finance

Couchbase Unveils Edge Server to Help Organizations Solve Real-World Edge Application Challenges
4 March 2025, PR Newswire

Couchbase’s Regine Nelson brings authentic leadership to employee engagement
26 February 2025, Ragan Communications

Couchbase Accelerates AI Agentic Application Development With New Database Services
2 December 2024, CRN Magazine

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CouchDB Update Brings QuickJS Engine Option - 4~5x Faster Than SpiderMonkey
27 September 2024, Phoronix

Using a NoSQL Database to Manage Information in a Modern Retail Environment
7 September 2024, IBM

How to install the CouchDB NoSQL database on Debian Server 11
16 June 2022, TechRepublic

IBM Cloudant pulls plan to fund new foundational layer for CouchDB
15 March 2022, theregister.com

Apache CouchDB: The Definitive Introduction
28 August 2014, infoq.com

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1 May 2025, Phoronix

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9 July 2024, InfoWorld

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6 November 2024, The New Stack

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