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DBMS > Couchbase vs. KairosDB vs. Kdb+

System Properties Comparison Couchbase vs. KairosDB vs. Kdb+

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonKairosDB  Xexclude from comparisonKdb+  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceDistributed Time Series DBMS based on Cassandra or H2High performance Time Series DBMS
Primary database modelDocument storeTime Series DBMSTime Series DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocolRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score31.49
Rank#23  Overall
#3  Document stores
Score0.56
Rank#201  Overall
#11  Time Series DBMS
Score5.48
Rank#58  Overall
#2  Time Series DBMS
Websitewww.couchbase.comgithub.com/­kairosdb/­kairosdbkx.com
Technical documentationdocs.couchbase.comkairosdb.github.iocode.kx.com
DeveloperCouchbase, Inc.Kx Systems, a division of First Derivatives plc
Initial release201120132000 infokdb was released 2000, kdb+ in 2003
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20191.2.2, November 20183.6, May 2018
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache 2.0commercial infofree 32-bit version
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 ErlangJavaq
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
Linux
OS X
Solaris
Windows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyesyes
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.noyes
Secondary indexesyesnoyes infotable attribute 'grouped'
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.noSQL-like query language (q)
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsGraphite protocol
HTTP REST
Telnet API
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
Java
JavaScript infoNode.js
PHP
Python
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptnouser defined functions
Triggersyes infovia the TAP protocolnoyes infowith views
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandrahorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoincluding cross data center replication
Master-slave replication
selectable replication factor infobased on CassandraMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsnono
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.yes infoEphemeral bucketsnoyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authenticationsimple password-based access controlrights management via user accounts
More information provided by the system vendor
Couchbase infoOriginally called MembaseKairosDBKdb+
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Integrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
provides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
tick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
kdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
upon request
» more

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More resources
Couchbase infoOriginally called MembaseKairosDBKdb+
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