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DBMS > Splunk vs. Tkrzw vs. VelocityDB vs. Yaacomo

System Properties Comparison Splunk vs. Tkrzw vs. VelocityDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameSplunk  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonVelocityDB  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionAnalytics Platform for Big DataA 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)OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelSearch engineKey-value storeGraph DBMS
Object oriented DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score86.45
Rank#14  Overall
#2  Search engines
Score0.00
Rank#383  Overall
#60  Key-value stores
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.splunk.comdbmx.net/­tkrzwvelocitydb.comyaacomo.com
Technical documentationdocs.splunk.com/­Documentation/­Splunkvelocitydb.com/­UserGuide
DeveloperSplunk Inc.Mikio HirabayashiVelocityDB IncQ2WEB GmbH
Initial release2003202020112009
Current release0.9.3, August 20207.x
License infoCommercial or Open Sourcecommercial infoLimited free edition and free developer edition availableOpen Source infoApache Version 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C#
Server operating systemsLinux
OS X
Solaris
Windows
Linux
macOS
Any that supports .NETAndroid
Linux
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.yesnonono
Secondary indexesyesyesyes
SQL infoSupport of SQLno infoSplunk Search Processing Language for search commandsnonoyes
APIs and other access methodsHTTP REST.NetJDBC
ODBC
Supported programming languagesC#
Java
JavaScript
PHP
Python
Ruby
C++
Java
Python
Ruby
.Net
Server-side scripts infoStored proceduresyesnono
TriggersyesnoCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACIDACID
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.noyes infousing specific database classesyesyes
User concepts infoAccess controlAccess rights for users and rolesnoBased on Windows Authenticationfine grained access rights according to SQL-standard

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More resources
SplunkTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetVelocityDBYaacomo
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