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

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

Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonKairosDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSequoiadb  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 DBMSNewSQL database with distributed OLTP and SQL
Primary database modelTime Series DBMSTime Series DBMSDocument storeMultivalue DBMSDocument store
Relational 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
Score0.45
Rank#261  Overall
#41  Document stores
#122  Relational DBMS
Websitegithub.com/­spotify/­heroicgithub.com/­kairosdb/­kairosdbgithub.com/­techfort/­LokiJSwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.sequoiadb.com
Technical documentationspotify.github.io/­heroickairosdb.github.iotechfort.github.io/­LokiJSwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperSpotifyRocket Software, originally Martin PhillipsSequoiadb Ltd.
Initial release20142013201419932013
Current release1.2.2, November 20183.4-12
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJavaScriptC++
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 exceptionsschema-free
Typing infopredefined data types such as float or dateyesyesnoyes infooid, date, timestamp, binary, regex
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.nononoyesno
Secondary indexesyes infovia Elasticsearchnoyes infovia viewsyesyes
SQL infoSupport of SQLnonononoSQL-like query language
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
Graphite protocol
HTTP REST
Telnet API
JavaScript APIproprietary protocol using JSON
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
JavaScript.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresnonoView functions in JavaScriptyesJavaScript
Triggersnonoyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on CassandranoneyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on CassandranoneyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleACIDDocument is locked during a transaction
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.nonoyesno
User concepts infoAccess controlsimple password-based access controlnoAccess rights can be defined down to the item levelsimple password-based access control

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More resources
HeroicKairosDBLokiJSOpenQM infoalso called QMSequoiadb
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