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DBMS > Alibaba Cloud TSDB vs. EventStoreDB vs. OpenQM

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

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonEventStoreDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceIndustrial-strength, open-source database solution built from the ground up for event sourcing.QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelTime Series DBMSEvent StoreMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#306  Overall
#26  Time Series DBMS
Score1.10
Rank#179  Overall
#1  Event Stores
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Websitewww.alibabacloud.com/­product/­hitsdbwww.eventstore.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdevelopers.eventstore.com
DeveloperAlibabaEvent Store LimitedRocket Software, originally Martin Phillips
Initial release20121993
Current release21.2, February 20213.4-12
License infoCommercial or Open SourcecommercialOpen SourceOpen 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 systemshostedLinux
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeschema-freeyes infowith some exceptions
Typing infopredefined data types such as float or dateNumeric data and Strings
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.noyes
Secondary indexesnoyes
SQL infoSupport of SQLnono
APIs and other access methodsHTTP REST
Supported programming languagesJava.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess managed on TSDB instance levelAccess rights can be defined down to the item level

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More resources
Alibaba Cloud TSDBEventStoreDBOpenQM 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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