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DBMS > Ehcache vs. Snowflake vs. TerarkDB

System Properties Comparison Ehcache vs. Snowflake vs. TerarkDB

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonSnowflake  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsCloud-based data warehousing service for structured and semi-structured dataA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelKey-value storeRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.32
Rank#52  Overall
#7  Key-value stores
Score2.67
Rank#107  Overall
#52  Relational DBMS
Score0.09
Rank#310  Overall
#53  Key-value stores
Websitewww.ehcache.orgwww.snowflake.comgithub.com/­Terark/­terarkdb
Technical documentationwww.ehcache.org/­documentationdocs.snowflake.net/­manuals/­index.htmlgithub.com/­Terark/­terarkdb/­wiki
DeveloperTerracotta Inc, owned by Software AGSnowflake Computing Inc.Terark
Initial release200920142016
Current release3.8.0, July 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availablecommercialcommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++
Server operating systemsAll OS with a Java VMhosted
Data schemeschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)schema-free
Typing infopredefined data types such as float or dateyesyesno
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.noyesno
Secondary indexesnono
SQL infoSupport of SQLnoyesno
APIs and other access methodsJCacheCLI Client
JDBC
ODBC
C++ API
Java API
Supported programming languagesJavaJavaScript (Node.js)
Python
C++
Java
Server-side scripts infoStored proceduresnouser defined functionsno
Triggersyes infoCache Event Listenersno infosimilar concept for controling cloud resourcesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serveryesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta Serveryesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourceACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesnoyes
User concepts infoAccess controlnoUsers with fine-grained authorization concept, user roles and pluggable authenticationno

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EhcacheSnowflakeTerarkDB
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