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DBMS > Ehcache vs. EventStoreDB vs. eXtremeDB

System Properties Comparison Ehcache vs. EventStoreDB vs. eXtremeDB

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonEventStoreDB  Xexclude from comparisoneXtremeDB  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsIndustrial-strength, open-source database solution built from the ground up for event sourcing.Natively in-memory DBMS with options for persistency, high-availability and clustering
Primary database modelKey-value storeEvent StoreRelational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.52
Rank#65  Overall
#8  Key-value stores
Score1.07
Rank#175  Overall
#1  Event Stores
Score0.94
Rank#189  Overall
#87  Relational DBMS
#17  Time Series DBMS
Websitewww.ehcache.orgwww.eventstore.comwww.mcobject.com
Technical documentationwww.ehcache.org/­documentationdevelopers.eventstore.comwww.mcobject.com/­docs/­extremedb.htm
DeveloperTerracotta Inc, owned by Software AGEvent Store LimitedMcObject
Initial release200920122001
Current release3.10.0, March 202221.2, February 20218.2, 2021
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 and C++
Server operating systemsAll OS with a Java VMLinux
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
Data schemeschema-freeyes
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 infosupport of XML interfaces available
Secondary indexesnoyes
SQL infoSupport of SQLnoyes infowith the option: eXtremeSQL
APIs and other access methodsJCache.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
Supported programming languagesJava.Net
C
C#
C++
Java
Lua
Python
Scala
Server-side scripts infoStored proceduresnoyes
Triggersyes infoCache Event Listenersyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serverhorizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerActive Replication Fabricâ„¢ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
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 integritynoyes
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 infoOptimistic (MVCC) and pessimistic (locking) strategies available
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.yesyes
User concepts infoAccess controlno

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More resources
EhcacheEventStoreDBeXtremeDB
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