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DBMS > BoltDB vs. DataFS vs. HarperDB vs. JanusGraph vs. Oracle Coherence

System Properties Comparison BoltDB vs. DataFS vs. HarperDB vs. JanusGraph vs. Oracle Coherence

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonDataFS  Xexclude from comparisonHarperDB  Xexclude from comparisonJanusGraph infosuccessor of Titan  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionAn embedded key-value store for Go.All data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.A Graph DBMS optimized for distributed clusters infoIt was forked from the latest code base of Titan in January 2017Oracles in-memory data grid solution
Primary database modelKey-value storeObject oriented DBMSDocument storeGraph DBMSKey-value store
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.80
Rank#215  Overall
#31  Key-value stores
Score0.09
Rank#360  Overall
#17  Object oriented DBMS
Score0.60
Rank#244  Overall
#38  Document stores
Score2.02
Rank#125  Overall
#12  Graph DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitegithub.com/­boltdb/­boltnewdatabase.comwww.harperdb.iojanusgraph.orgwww.oracle.com/­java/­coherence
Technical documentationdev.mobiland.com/­Overview.xspdocs.harperdb.io/­docsdocs.janusgraph.orgdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperMobiland AGHarperDBLinux Foundation; originally developed as Titan by AureliusOracle
Initial release20132018201720172007
Current release1.1.263, October 20223.1, August 20210.6.3, February 202314.1, August 2023
License infoCommercial or Open SourceOpen Source infoMIT Licensecommercialcommercial infofree community edition availableOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoNode.jsJavaJava
Server operating systemsBSD
Linux
OS X
Solaris
Windows
WindowsLinux
OS X
Linux
OS X
Unix
Windows
All OS with a Java VM
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)dynamic schemayesschema-free
Typing infopredefined data types such as float or datenoyesyes infoJSON data typesyesyes
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 indexesnonoyesyesno
SQL infoSupport of SQLnonoSQL-like data manipulation statementsnono
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
JCache
JPA
RESTful HTTP API
Supported programming languagesGo.Net
C
C#
C++
VB.Net
.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
Clojure
Java
Python
.Net
C++
Java
Server-side scripts infoStored proceduresnoCustom Functions infosince release 3.1yesno
Triggersnono, except callback-events from server when changes happenednoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneProprietary Sharding systemA table resides as a whole on one (or more) nodes in a clusteryes infodepending on the used storage backend (e.g. Cassandra, HBase, BerkeleyDB)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infothe nodes on which a table resides can be definedyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infovia Faunus, a graph analytics engineno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDAtomic execution of specific operationsACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes, using LMDByes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlnoWindows-ProfileAccess rights for users and rolesUser authentification and security via Rexster Graph Serverauthentification to access the cache via certificates or http basic authentication

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More resources
BoltDBDataFSHarperDBJanusGraph infosuccessor of TitanOracle Coherence
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