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DBMS > atoti vs. Ehcache vs. openGemini

System Properties Comparison atoti vs. Ehcache vs. openGemini

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonEhcache  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.A widely adopted Java cache with tiered storage optionsAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelObject oriented DBMSKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#243  Overall
#11  Object oriented DBMS
Score4.64
Rank#68  Overall
#8  Key-value stores
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websiteatoti.iowww.ehcache.orgwww.opengemini.org
github.com/­openGemini
Technical documentationdocs.atoti.iowww.ehcache.org/­documentationdocs.opengemini.org/­guide
DeveloperActiveViamTerracotta Inc, owned by Software AGHuawei and openGemini community
Initial release20092022
Current release3.10.0, March 20221.1, July 2023
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaGo
Server operating systemsAll OS with a Java VMLinux
Windows
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, String
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 SQLMultidimensional Expressions (MDX)noSQL-like query language
APIs and other access methodsJCacheHTTP REST
Supported programming languagesJavaC
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresPythonnono
Triggersyes infoCache Event Listenersno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningSharding infoby using Terracotta ServerSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta Serveryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)
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 resourceno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
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.yesyesyes
User concepts infoAccess controlnoAdministrators and common users accounts

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More resources
atotiEhcacheopenGemini
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