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DBMS > IBM Cloudant vs. KairosDB vs. Memcached

System Properties Comparison IBM Cloudant vs. KairosDB vs. Memcached

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonKairosDB  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBDistributed Time Series DBMS based on Cassandra or H2In-memory key-value store, originally intended for caching
Primary database modelDocument storeTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.68
Rank#106  Overall
#20  Document stores
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Websitewww.ibm.com/­products/­cloudantgithub.com/­kairosdb/­kairosdbwww.memcached.org
Technical documentationcloud.ibm.com/­docs/­Cloudantkairosdb.github.iogithub.com/­memcached/­memcached/­wiki
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Danga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release201020132003
Current release1.2.2, November 20181.6.25, March 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoBSD license
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangJavaC
Server operating systemshostedLinux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemeschema-freeschema-freeschema-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 indexesyesnono
SQL infoSupport of SQLnonono
APIs and other access methodsRESTful HTTP/JSON APIGraphite protocol
HTTP REST
Telnet API
Proprietary protocol
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Java
JavaScript infoNode.js
PHP
Python
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factor infobased on Cassandranone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possiblenono
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyes
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.nono
User concepts infoAccess controlAccess rights for users can be defined per databasesimple password-based access controlyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
IBM CloudantKairosDBMemcached
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