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DBMS > KairosDB vs. Valentina Server vs. VelocityDB vs. YTsaurus

System Properties Comparison KairosDB vs. Valentina Server vs. VelocityDB vs. YTsaurus

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonValentina Server  Xexclude from comparisonVelocityDB  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Object-relational database and reports serverA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)YTsaurus is an open source platform for distributed storage and processing.
Primary database modelTime Series DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Document store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score0.17
Rank#327  Overall
#145  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Score0.11
Rank#340  Overall
#45  Document stores
#50  Key-value stores
Websitegithub.com/­kairosdb/­kairosdbwww.valentina-db.netvelocitydb.comytsaurus.tech
Technical documentationkairosdb.github.iovalentina-db.com/­docs/­dokuwiki/­v5/­doku.phpvelocitydb.com/­UserGuideytsaurus.tech/­docs/­en
DeveloperParadigma SoftwareVelocityDB IncYandex
Initial release2013199920112023
Current release1.2.2, November 20185.7.57.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercialOpen Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#C++
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
Any that supports .NETUbuntu
Data schemeschema-freeyesyes
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.nonono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesnoYQL, an SQL-based language, is supported
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
ODBC.Net
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
.NetC++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresnoyesno
TriggersnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandrayes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.noyesyes
User concepts infoAccess controlsimple password-based access controlfine grained access rights according to SQL-standardBased on Windows AuthenticationAccess Control Lists

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More resources
KairosDBValentina ServerVelocityDBYTsaurus
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