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DBMS > Blueflood vs. Heroic vs. LokiJS vs. YottaDB

System Properties Comparison Blueflood vs. Heroic vs. LokiJS vs. YottaDB

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonHeroic  Xexclude from comparisonLokiJS  Xexclude from comparisonYottaDB  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchIn-memory JavaScript DBMSA fast and solid embedded Key-value store
Primary database modelTime Series DBMSTime Series DBMSDocument storeKey-value store
Secondary database modelsRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.20
Rank#317  Overall
#47  Key-value stores
Websiteblueflood.iogithub.com/­spotify/­heroicgithub.com/­techfort/­LokiJSyottadb.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikispotify.github.io/­heroictechfort.github.io/­LokiJSyottadb.com/­resources/­documentation
DeveloperRackspaceSpotifyYottaDB, LLC
Initial release2013201420142001
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0Open SourceOpen Source infoAGPL 3.0
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 languageJavaJavaJavaScriptC
Server operating systemsLinux
OS X
server-less, requires a JavaScript environment (browser, Node.js)Docker
Linux
Data schemepredefined schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnono
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.nononono
Secondary indexesnoyes infovia Elasticsearchyes infovia viewsno
SQL infoSupport of SQLnononoby using the Octo plugin
APIs and other access methodsHTTP RESTHQL (Heroic Query Language, a JSON-based language)
HTTP API
JavaScript APIPostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesJavaScriptC
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnonoView functions in JavaScript
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandrayesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency
none
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes
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.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlnonoUsers and groups based on OS-security mechanisms

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More resources
BluefloodHeroicLokiJSYottaDB
DB-Engines blog posts

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