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DBMS > Ehcache vs. OpenMLDB vs. RDFox

System Properties Comparison Ehcache vs. OpenMLDB vs. RDFox

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonOpenMLDB  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsAn open-source machine learning database that provides a feature platform for training and inferenceHigh performance knowledge graph and semantic reasoning engine
Primary database modelKey-value storeTime Series DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.79
Rank#66  Overall
#8  Key-value stores
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score0.22
Rank#305  Overall
#25  Graph DBMS
#15  RDF stores
Websitewww.ehcache.orgopenmldb.aiwww.oxfordsemantic.tech
Technical documentationwww.ehcache.org/­documentationopenmldb.ai/­docs/­zh/­maindocs.oxfordsemantic.tech
DeveloperTerracotta Inc, owned by Software AG4 Paradigm Inc.Oxford Semantic Technologies
Initial release200920202017
Current release3.10.0, March 20222024-2 February 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++, Java, ScalaC++
Server operating systemsAll OS with a Java VMLinuxLinux
macOS
Windows
Data schemeschema-freeFixed schemayes infoRDF schemas
Typing infopredefined data types such as float or dateyesyesyes
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 indexesnoyes
SQL infoSupport of SQLnoyesno
APIs and other access methodsJCacheJDBC
SQLAlchemy
RESTful HTTP API
SPARQL 1.1
Supported programming languagesJavaC++
Go
Java
Python
Scala
C
Java
Server-side scripts infoStored proceduresnono
Triggersyes infoCache Event Listenersno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serverhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerSource-replica replicationreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourcenoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardRoles, resources, and access types

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More resources
EhcacheOpenMLDBRDFox
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