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DBMS > Alibaba Cloud TSDB vs. Datomic vs. SiteWhere

System Properties Comparison Alibaba Cloud TSDB vs. Datomic vs. SiteWhere

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NameAlibaba Cloud TSDB  Xexclude from comparisonDatomic  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityM2M integration platform for persisting/querying time series data
Primary database modelTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitewww.alibabacloud.com/­product/­hitsdbwww.datomic.comgithub.com/­sitewhere/­sitewhere
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdocs.datomic.comsitewhere1.sitewhere.io/­index.html
DeveloperAlibabaCognitectSiteWhere
Initial release20122010
Current release1.0.7075, December 2023
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureJava
Server operating systemshostedAll OS with a Java VMLinux
OS X
Windows
Data schemeschema-freeyespredefined scheme
Typing infopredefined data types such as float or dateNumeric data and Stringsyesyes
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 indexesnoyesno
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP RESTRESTful HTTP APIHTTP REST
Supported programming languagesJavaClojure
Java
Server-side scripts infoStored proceduresnoyes infoTransaction Functions
TriggersnoBy using transaction functions
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersselectable 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 ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentno
User concepts infoAccess controlAccess managed on TSDB instance levelnoUsers with fine-grained authorization concept

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More resources
Alibaba Cloud TSDBDatomicSiteWhere
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