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DBMS > Heroic vs. KairosDB vs. LokiJS vs. OpenQM vs. OushuDB

System Properties Comparison Heroic vs. KairosDB vs. LokiJS vs. OpenQM vs. OushuDB

Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonKairosDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOushuDB  Xexclude from comparison
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchDistributed Time Series DBMS based on Cassandra or H2In-memory JavaScript DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelTime Series DBMSTime Series DBMSDocument storeMultivalue DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score0.04
Rank#363  Overall
#154  Relational DBMS
Websitegithub.com/­spotify/­heroicgithub.com/­kairosdb/­kairosdbgithub.com/­techfort/­LokiJSwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.oushu.com/­product/­oushuDB
Technical documentationspotify.github.io/­heroickairosdb.github.iotechfort.github.io/­LokiJSwww.oushu.com/­documentation
DeveloperSpotifyRocket Software, originally Martin PhillipsOushu
Initial release2014201320141993
Current release1.2.2, November 20183.4-124.0.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0Open SourceOpen Source infoGPLv2, extended commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJavaScript
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Data schemeschema-freeschema-freeschema-freeyes infowith some exceptionsyes
Typing infopredefined data types such as float or dateyesyesnoyes
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.nononoyes
Secondary indexesyes infovia Elasticsearchnoyes infovia viewsyesyes
SQL infoSupport of SQLnonononoFull-featured ANSI SQL support
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
Graphite protocol
HTTP REST
Telnet API
JavaScript APIJDBC
ODBC
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
JavaScript.Net
Basic
C
Java
Objective C
PHP
Python
C
C++
Server-side scripts infoStored proceduresnonoView functions in JavaScriptyesyes
Triggersnonoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandranoneyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on Cassandranoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlsimple password-based access controlnoAccess rights can be defined down to the item levelKerberos, SSL and role based access

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More resources
HeroicKairosDBLokiJSOpenQM infoalso called QMOushuDB
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