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DBMS > LokiJS vs. OpenQM vs. Prometheus vs. SiteWhere

System Properties Comparison LokiJS vs. OpenQM vs. Prometheus vs. SiteWhere

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonPrometheus  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSOpen-source Time Series DBMS and monitoring systemM2M integration platform for persisting/querying time series data
Primary database modelDocument storeMultivalue DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#256  Overall
#40  Document stores
Score0.28
Rank#291  Overall
#10  Multivalue DBMS
Score7.56
Rank#49  Overall
#3  Time Series DBMS
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Websitegithub.com/­techfort/­LokiJSwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmprometheus.iogithub.com/­sitewhere/­sitewhere
Technical documentationtechfort.github.io/­LokiJSprometheus.io/­docssitewhere1.sitewhere.io/­index.html
DeveloperRocket Software, originally Martin PhillipsSiteWhere
Initial release2014199320152010
Current release3.4-12
License infoCommercial or Open SourceOpen SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache 2.0Open 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 languageJavaScriptGoJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
Linux
OS X
Windows
Data schemeschema-freeyes infowith some exceptionsyespredefined scheme
Typing infopredefined data types such as float or datenoNumeric data onlyyes
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.noyesno infoImport of XML data possibleno
Secondary indexesyes infovia viewsyesnono
SQL infoSupport of SQLnononono
APIs and other access methodsJavaScript APIRESTful HTTP/JSON APIHTTP REST
Supported programming languagesJavaScript.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresView functions in JavaScriptyesno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyesShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyes infoby Federationselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnoAccess rights can be defined down to the item levelnoUsers with fine-grained authorization concept

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More resources
LokiJSOpenQM infoalso called QMPrometheusSiteWhere
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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LokiJS - A JavaScript Database
18 November 2014, iProgrammer

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