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DBMS > DataFS vs. OpenTSDB vs. Transwarp KunDB

System Properties Comparison DataFS vs. OpenTSDB vs. Transwarp KunDB

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Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonOpenTSDB  Xexclude from comparisonTranswarp KunDB  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Scalable Time Series DBMS based on HBaseOLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database modelObject oriented DBMSTime Series DBMSRelational DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#360  Overall
#18  Object oriented DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.14
Rank#341  Overall
#149  Relational DBMS
Websitenewdatabase.comopentsdb.netwww.transwarp.cn/­en/­product/­kundb
Technical documentationdev.mobiland.com/­Overview.xspopentsdb.net/­docs/­build/­html/­index.html
DeveloperMobiland AGcurrently maintained by Yahoo and other contributorsTranswarp
Initial release20182011
Current release1.1.263, October 2022
License infoCommercial or Open SourcecommercialOpen Source infoLGPLcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsWindowsLinux
Windows
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)schema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes
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
Secondary indexesnonoyes
SQL infoSupport of SQLnonoyes
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
HTTP API
Telnet API
Supported programming languages.Net
C
C#
C++
VB.Net
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresnoyes
Triggersno, except callback-events from server when changes happenednoyes
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemSharding infobased on HBasehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
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.nono
User concepts infoAccess controlWindows-Profilenoyes

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More resources
DataFSOpenTSDBTranswarp KunDB
DB-Engines blog posts

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