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DBMS > KairosDB vs. Realm

System Properties Comparison KairosDB vs. Realm

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2A mobile DBMS often used as a replacement for SQLite
Primary database modelTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.54
Rank#193  Overall
#9  Time Series DBMS
Score7.74
Rank#44  Overall
#27  Relational DBMS
Websitegithub.com/­kairosdb/­kairosdbrealm.io
Technical documentationkairosdb.github.iorealm.io/­docs
DeveloperRealm
Initial release20132014
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infoLicenses are free. Parts are open sourced.
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsLinux
OS X
Windows
server-less
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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 indexesnoyes
SQL infoSupport of SQLnono
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnono
Triggersnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realm
User concepts infoAccess controlsimple password-based access controlno

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More resources
KairosDBRealm
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