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DBMS > Ehcache vs. OpenQM

System Properties Comparison Ehcache vs. OpenQM

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NameEhcache  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelKey-value storeMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.41
Rank#55  Overall
#7  Key-value stores
Score0.41
Rank#246  Overall
#10  Multivalue DBMS
Websitewww.ehcache.orgwww.openqm.com
Technical documentationwww.ehcache.org/­documentationwww.openqm.com/­support/­documentation
DeveloperTerracotta Inc, owned by Software AGMartin Phillips
Initial release20091993
Current release3.8.1, September 20193.4-12
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsAll OS with a Java VMAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeschema-freeyes infowith some exceptions
Typing infopredefined data types such as float or dateyes
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.noyes
Secondary indexesnoyes
SQL infoSupport of SQLnono
APIs and other access methodsJCache
Supported programming languagesJava.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoyes
Triggersyes infoCache Event Listenersyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serveryes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta Serveryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate Consistency
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 resourceACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnoAccess rights can be defined down to the item level

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More resources
EhcacheOpenQM infoalso called QM
Recent citations in the news

Ehcache 3.0 Released with Revamped API and Off-Heap Storage
2 May 2016, InfoQ.com

techerati.com: Microservices in the Cloud-Native Era
12 April 2021, Techerati

Ehcache Search Revolutionizes In-Memory Data Management by Unifying Transactional and Analytic Capabilities
15 February 2011, Business Wire

Memcached surpasses EhCache and Coherence in Java Job Demand
13 September 2011, InfoQ.com

BigMemory Ehcache Addon Dumps Java Garbage Collection
16 September 2010, T.H.E. Journal

provided by Google News

OpenQM In The Cloud
5 March 2019, International Spectrum Magazine

provided by Google News

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