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DBMS > JanusGraph vs. VelocityDB

System Properties Comparison JanusGraph vs. VelocityDB

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Editorial information provided by DB-Engines
NameJanusGraph infosuccessor of Titan  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA Graph DBMS optimized for distributed clusters infoIt was forked from the latest code base of Titan in January 2017A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelGraph DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.02
Rank#124  Overall
#7  Graph DBMS
Score0.08
Rank#300  Overall
#26  Graph DBMS
#16  Object oriented DBMS
Websitejanusgraph.orgvelocitydb.com
Technical documentationdocs.janusgraph.orgvelocitydb.com/­UserGuide
DeveloperLinux Foundation; originally developed as Titan by AureliusVelocityDB Inc
Initial release20172011
Current release0.5.0, March 20207.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC#
Server operating systemsLinux
OS X
Unix
Windows
Any that supports .NET
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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.nono
Secondary indexesyesyes
SQL infoSupport of SQLnono
APIs and other access methodsJava API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
.Net
Supported programming languagesClojure
Java
Python
.Net
Server-side scripts infoStored proceduresyesno
TriggersyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyes infodepending on the used storage backend (e.g. Cassandra, HBase, BerkeleyDB)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infovia Faunus, a graph analytics engineno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlUser authentification and security via Rexster Graph ServerBased on Windows Authentication

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More resources
JanusGraph infosuccessor of TitanVelocityDB
Recent citations in the news

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4 August 2020, EIN News

JanusGraph Picks Up Where TitanDB Left Off
13 January 2017, Datanami

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27 July 2020, Analytics Insight

What & why: Graph machine learning in distributed systems
16 March 2020, Ericsson

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provided by Google News

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