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DBMS > EventStoreDB vs. OpenTSDB vs. Quasardb vs. SiteWhere

System Properties Comparison EventStoreDB vs. OpenTSDB vs. Quasardb vs. SiteWhere

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQuasardb  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Scalable Time Series DBMS based on HBaseDistributed, high-performance timeseries databaseM2M integration platform for persisting/querying time series data
Primary database modelEvent StoreTime Series DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#181  Overall
#1  Event Stores
Score1.59
Rank#140  Overall
#12  Time Series DBMS
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Websitewww.eventstore.comopentsdb.netquasar.aigithub.com/­sitewhere/­sitewhere
Technical documentationdevelopers.eventstore.comopentsdb.net/­docs/­build/­html/­index.htmldoc.quasar.ai/­mastersitewhere1.sitewhere.io/­index.html
DeveloperEvent Store Limitedcurrently maintained by Yahoo and other contributorsquasardbSiteWhere
Initial release2012201120092010
Current release21.2, February 20213.14.1, January 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoLGPLcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++Java
Server operating systemsLinux
Windows
Linux
Windows
BSD
Linux
OS X
Windows
Linux
OS X
Windows
Data schemeschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyes infointeger and binaryyes
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 indexesnoyes infowith tagsno
SQL infoSupport of SQLnoSQL-like query languageno
APIs and other access methodsHTTP API
Telnet API
HTTP APIHTTP REST
Supported programming languagesErlang
Go
Java
Python
R
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBaseSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseSource-replica replication with selectable replication factorselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate 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 infoby using LevelDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient modeno
User concepts infoAccess controlnoCryptographically strong user authentication and audit trailUsers with fine-grained authorization concept

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More resources
EventStoreDBOpenTSDBQuasardbSiteWhere
DB-Engines blog posts

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