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DBMS > KairosDB vs. SiteWhere vs. StarRocks vs. VelocityDB

System Properties Comparison KairosDB vs. SiteWhere vs. StarRocks vs. VelocityDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonSiteWhere  Xexclude from comparisonStarRocks  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2M2M integration platform for persisting/querying time series dataAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache DorisA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSTime Series DBMSRelational 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#383  Overall
#43  Time Series DBMS
Score0.93
Rank#198  Overall
#93  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitegithub.com/­kairosdb/­kairosdbgithub.com/­sitewhere/­sitewherewww.starrocks.iovelocitydb.com
Technical documentationkairosdb.github.iositewhere1.sitewhere.io/­index.htmldocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_introvelocitydb.com/­UserGuide
DeveloperSiteWhereThe Linux Foundation infosince Feb 2023VelocityDB Inc
Initial release2013201020202011
Current release1.2.2, November 20183.3, June 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoCommon Public Attribution License Version 1.0Open 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 languageJavaJavaC++, JavaC#
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
LinuxAny that supports .NET
Data schemeschema-freepredefined schemeyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesnonoyesyes
SQL infoSupport of SQLnonoyesno
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
HTTP RESTJDBC
MySQL protocol
.Net
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
Java.Net
Server-side scripts infoStored proceduresnouser defined functionsno
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding infobased on HBasehorizontal partitioning (by range and hash)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandraselectable replication factor infobased on HBase
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 ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nononoyes
User concepts infoAccess controlsimple password-based access controlUsers with fine-grained authorization conceptRole based access control and fine grained access rightsBased on Windows Authentication

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More resources
KairosDBSiteWhereStarRocksVelocityDB
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