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DBMS > Riak KV vs. Rockset vs. Tkrzw vs. VelocityDB

System Properties Comparison Riak KV vs. Rockset vs. Tkrzw vs. VelocityDB

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Editorial information provided by DB-Engines
NameRiak KV  Xexclude from comparisonRockset  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed, fault tolerant key-value storeA scalable, reliable search and analytics service in the cloud, built on RocksDBA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value store infowith links between data sets and object tags for the creation of secondary indexesDocument storeKey-value storeGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.10
Rank#82  Overall
#9  Key-value stores
Score0.79
Rank#211  Overall
#35  Document stores
Score0.00
Rank#383  Overall
#60  Key-value stores
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiterockset.comdbmx.net/­tkrzwvelocitydb.com
Technical documentationwww.tiot.jp/­riak-docs/­riak/­kv/­latestdocs.rockset.comvelocitydb.com/­UserGuide
DeveloperOpenSource, formerly Basho TechnologiesRocksetMikio HirabayashiVelocityDB Inc
Initial release2009201920202011
Current release3.2.0, December 20220.9.3, August 20207.x
License infoCommercial or Open SourceOpen Source infoApache version 2, commercial enterprise editioncommercialOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++C++C#
Server operating systemsLinux
OS X
hostedLinux
macOS
Any that supports .NET
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenodynamic typingnoyes
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 infoingestion from XML files supportednono
Secondary indexesrestrictedall fields are automatically indexedyes
SQL infoSupport of SQLnoRead-only SQL queries, including JOINsnono
APIs and other access methodsHTTP API
Native Erlang Interface
HTTP REST.Net
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
Go
Java
JavaScript (Node.js)
Python
C++
Java
Python
Ruby
.Net
Server-side scripts infoStored proceduresErlangnonono
Triggersyes infopre-commit hooks and post-commit hooksnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Automatic shardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infolinks between data sets can be storednonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing specific database classesyes
User concepts infoAccess controlyes, using Riak SecurityAccess rights for users and organizations can be defined via Rockset consolenoBased on Windows Authentication

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More resources
Riak KVRocksetTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetVelocityDB
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