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DBMS > KairosDB vs. ObjectBox vs. OpenMLDB

System Properties Comparison KairosDB vs. ObjectBox vs. OpenMLDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonObjectBox  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Extremely fast embedded database for small devices, IoT and MobileAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelTime Series DBMSObject oriented DBMSTime Series DBMS
Secondary database modelsTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score1.20
Rank#170  Overall
#5  Object oriented DBMS
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Websitegithub.com/­kairosdb/­kairosdbobjectbox.ioopenmldb.ai
Technical documentationkairosdb.github.iodocs.objectbox.ioopenmldb.ai/­docs/­zh/­main
DeveloperObjectBox Limited4 Paradigm Inc.
Initial release201320172020
Current release1.2.2, November 20182024-2 February 2024
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache License 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and C++C++, Java, Scala
Server operating systemsLinux
OS X
Windows
Android
iOS
Linux
macOS
Windows
Linux
Data schemeschema-freeyesFixed schema
Typing infopredefined data types such as float or dateyesyesyes
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.nonono
Secondary indexesnoyesyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
Proprietary native APIJDBC
SQLAlchemy
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnonono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandranonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandraonline/offline synchronization between client and serverSource-replica replication
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 ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
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.nonoyes
User concepts infoAccess controlsimple password-based access controlyesfine grained access rights according to SQL-standard
More information provided by the system vendor
KairosDBObjectBoxOpenMLDB
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KairosDBObjectBoxOpenMLDB
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