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DBMS > KairosDB vs. OrigoDB vs. RisingWave vs. VelocityDB

System Properties Comparison KairosDB vs. OrigoDB vs. RisingWave vs. VelocityDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonOrigoDB  Xexclude from comparisonRisingWave  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2A fully ACID in-memory object graph databaseA distributed RDBMS for stream processing, wire-compatible with PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSDocument store
Object oriented DBMS
Relational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score0.06
Rank#380  Overall
#50  Document stores
#18  Object oriented DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitegithub.com/­kairosdb/­kairosdborigodb.comwww.risingwave.com/­databasevelocitydb.com
Technical documentationkairosdb.github.ioorigodb.com/­docsdocs.risingwave.com/­docs/­current/­introvelocitydb.com/­UserGuide
DeveloperRobert Friberg et alRisingWave LabsVelocityDB Inc
Initial release20132009 infounder the name LiveDB20222011
Current release1.2.2, November 20181.2, September 20237.x
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#RustC#
Server operating systemsLinux
OS X
Windows
Linux
Windows
Docker
Linux
macOS
Any that supports .NET
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesUser defined using .NET types and collectionsStandard SQL-types and JSONyes
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 infocan be achieved using .NETnono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnonoyesno
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
.NET Client API
HTTP API
LINQ
JDBC
PostgreSQL wire protocol
.Net
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.NetGo
Java
JavaScript (Node.js)
Python
.Net
Server-side scripts infoStored proceduresnoyesUDFs in Python or Javano
Triggersnoyes infoDomain EventsnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandrahorizontal partitioning infoclient side managed; servers are not synchronizedSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynodepending on modelnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoWrite ahead logyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlsimple password-based access controlRole based authorizationUsers and RolesBased on Windows Authentication

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More resources
KairosDBOrigoDBRisingWaveVelocityDB
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