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DBMS > Riak KV vs. Snowflake vs. TerarkDB

System Properties Comparison Riak KV vs. Snowflake vs. TerarkDB

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Editorial information provided by DB-Engines
NameRiak KV  Xexclude from comparisonSnowflake  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionDistributed, fault tolerant key-value storeCloud-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 store infowith links between data sets and object tags for the creation of secondary indexesRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.76
Rank#60  Overall
#9  Key-value stores
Score2.36
Rank#98  Overall
#48  Relational DBMS
Score0.07
Rank#307  Overall
#51  Key-value stores
Websiteriak.com/­products/­riak-kvwww.snowflake.comgithub.com/­Terark/­terarkdb
Technical documentationdocs.snowflake.net/­manuals/­index.htmlgithub.com/­Terark/­terarkdb/­wiki
DeveloperBasho TechnologiesSnowflake Computing Inc.Terark
Initial release200920142016
Current release2.1.0, April 2015
License infoCommercial or Open SourceOpen Source infoApache version 2, commercial enterprise editioncommercialcommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC++
Server operating systemsLinux
OS X
hosted
Data schemeschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)schema-free
Typing infopredefined data types such as float or datenoyesno
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 indexesrestrictedno
SQL infoSupport of SQLnoyesno
APIs and other access methodsHTTP API
Native Erlang Interface
CLI Client
JDBC
ODBC
C++ API
Java API
Supported programming languagesC infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
JavaScript (Node.js)
Python
C++
Java
Server-side scripts infoStored proceduresJavaScript and Erlanguser defined functionsno
Triggersyes infopre-commit hooks and post-commit hooksno infosimilar concept for controling cloud resourcesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"yesnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infolinks between data sets can be storedyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoUsers with fine-grained authorization concept, user roles and pluggable authenticationno

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More resources
Riak KVSnowflakeTerarkDB
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