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DBMS > KairosDB vs. Realm vs. RisingWave vs. ToroDB

System Properties Comparison KairosDB vs. Realm vs. RisingWave vs. ToroDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonRealm  Xexclude from comparisonRisingWave  Xexclude from comparisonToroDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionDistributed Time Series DBMS based on Cassandra or H2A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA distributed RDBMS for stream processing, wire-compatible with PostgreSQLA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelTime Series DBMSDocument storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score0.64
Rank#238  Overall
#110  Relational DBMS
Websitegithub.com/­kairosdb/­kairosdbrealm.iowww.risingwave.com/­databasegithub.com/­torodb/­server
Technical documentationkairosdb.github.iorealm.io/­docsdocs.risingwave.com/­docs/­current/­intro
DeveloperRealm, acquired by MongoDB in May 2019RisingWave Labs8Kdata
Initial release2013201420222016
Current release1.2.2, November 20181.2, September 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoApache Version 2.0Open Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaRustJava
Server operating systemsLinux
OS X
Windows
Android
Backend: server-less
iOS
Windows
Docker
Linux
macOS
All OS with a Java 7 VM
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesStandard SQL-types and JSONyes infostring, integer, double, boolean, date, object_id
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.nononono
Secondary indexesnoyesyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JDBC
PostgreSQL wire protocol
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnono inforuns within the applications so server-side scripts are unnecessaryUDFs in Python or Java
Triggersnoyes infoChange Listenersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realmyes
User concepts infoAccess controlsimple password-based access controlyesUsers and RolesAccess rights for users and roles

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More resources
KairosDBRealmRisingWaveToroDB
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