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DBMS > Alibaba Cloud TSDB vs. DataFS vs. OpenQM

System Properties Comparison Alibaba Cloud TSDB vs. DataFS vs. OpenQM

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonDataFS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceAll 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.QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelTime Series DBMSObject oriented DBMSMultivalue DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#312  Overall
#27  Time Series DBMS
Score0.07
Rank#362  Overall
#17  Object oriented DBMS
Score0.33
Rank#286  Overall
#10  Multivalue DBMS
Websitewww.alibabacloud.com/­product/­hitsdbnewdatabase.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdev.mobiland.com/­Overview.xsp
DeveloperAlibabaMobiland AGRocket Software, originally Martin Phillips
Initial release20181993
Current release1.1.263, October 20223.4-12
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemshostedWindowsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yes infowith some exceptions
Typing infopredefined data types such as float or dateNumeric data and Stringsyes
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.nonoyes
Secondary indexesnonoyes
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP REST.NET Client API
Proprietary client DLL
WinRT client
Supported programming languagesJava.Net
C
C#
C++
VB.Net
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoyes
Triggersnono, except callback-events from server when changes happenedyes
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate 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 persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess managed on TSDB instance levelWindows-ProfileAccess rights can be defined down to the item level

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More resources
Alibaba Cloud TSDBDataFSOpenQM infoalso called QM
Recent citations in the news

SQL and TimescaleDB. This article takes a closer look into… | by Alibaba Cloud
31 July 2019, DataDrivenInvestor

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