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DBMS > Couchbase vs. KairosDB vs. NCache

System Properties Comparison Couchbase vs. KairosDB vs. NCache

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonKairosDB  Xexclude from comparisonNCache  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceDistributed Time Series DBMS based on Cassandra or H2Open source in-memory key-value store
Primary database modelDocument storeTime Series DBMSKey-value store
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
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
Score0.91
Rank#159  Overall
#27  Key-value stores
Websitewww.couchbase.comgithub.com/­kairosdb/­kairosdbwww.alachisoft.com/­ncache
Technical documentationdocs.couchbase.comkairosdb.github.iowww.alachisoft.com/­resources/­docs
DeveloperCouchbase, Inc.Alachisoft
Initial release201120132004
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20191.2.2, November 20185.0, May 2019
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache 2.0Open Source infoApache 2.0
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 ErlangJavaC#, C++, .NET
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyes
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 indexesyesnoyes
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.noSQL-like query syntax (OQL) for searching the cache
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsGraphite protocol
HTTP REST
Telnet API
LINQ
Proprietary protocol
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
.Net
C#
Java
Visual Basic.NET
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptnono infosupport for stored procedures with SQL-Server CLR
Triggersyes infovia the TAP protocolnoyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandrayes
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 Cassandrayes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
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
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsnooptimistic locking
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 controlauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
Couchbase infoOriginally called MembaseKairosDBNCache
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
NCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Ncache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
NCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Market Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
The NCache Enterprise licensing model is according to the number of nodes and shards...
» more

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More resources
Couchbase infoOriginally called MembaseKairosDBNCache
DB-Engines blog posts

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