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DBMS > Graphite vs. JanusGraph vs. LokiJS vs. OpenMLDB vs. VelocityDB

System Properties Comparison Graphite vs. JanusGraph vs. LokiJS vs. OpenMLDB vs. VelocityDB

Editorial information provided by DB-Engines
NameGraphite  Xexclude from comparisonJanusGraph infosuccessor of Titan  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenMLDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionData logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperA Graph DBMS optimized for distributed clusters infoIt was forked from the latest code base of Titan in January 2017In-memory JavaScript DBMSAn open-source machine learning database that provides a feature platform for training and inferenceA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSGraph DBMSDocument storeTime Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.57
Rank#73  Overall
#5  Time Series DBMS
Score1.94
Rank#129  Overall
#12  Graph DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitegithub.com/­graphite-project/­graphite-webjanusgraph.orggithub.com/­techfort/­LokiJSopenmldb.aivelocitydb.com
Technical documentationgraphite.readthedocs.iodocs.janusgraph.orgtechfort.github.io/­LokiJSopenmldb.ai/­docs/­zh/­mainvelocitydb.com/­UserGuide
DeveloperChris DavisLinux Foundation; originally developed as Titan by Aurelius4 Paradigm Inc.VelocityDB Inc
Initial release20062017201420202011
Current release0.6.3, February 20232024-2 February 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0Open SourceOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePythonJavaJavaScriptC++, Java, ScalaC#
Server operating systemsLinux
Unix
Linux
OS X
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxAny that supports .NET
Data schemeyesyesschema-freeFixed schemayes
Typing infopredefined data types such as float or dateNumeric data onlyyesnoyesyes
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.nonononono
Secondary indexesnoyesyes infovia viewsyesyes
SQL infoSupport of SQLnononoyesno
APIs and other access methodsHTTP API
Sockets
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
JavaScript APIJDBC
SQLAlchemy
.Net
Supported programming languagesJavaScript (Node.js)
Python
Clojure
Java
Python
JavaScriptC++
Go
Java
Python
Scala
.Net
Server-side scripts infoStored proceduresnoyesView functions in JavaScriptnono
TriggersnoyesyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneyes infodepending on the used storage backend (e.g. Cassandra, HBase, BerkeleyDB)nonehorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infovia Faunus, a graph analytics engineyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
noneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayes infolockingyesyesyes
Durability infoSupport for making data persistentyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyes 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.yesyesyes
User concepts infoAccess controlnoUser authentification and security via Rexster Graph Servernofine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
GraphiteJanusGraph infosuccessor of TitanLokiJSOpenMLDBVelocityDB
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