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DBMS > RRDtool vs. TerminusDB vs. VelocityDB

System Properties Comparison RRDtool vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameRRDtool  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.72
Rank#90  Overall
#5  Time Series DBMS
Score0.02
Rank#342  Overall
#32  Graph DBMS
Score0.07
Rank#311  Overall
#30  Graph DBMS
#16  Object oriented DBMS
Websiteoss.oetiker.ch/­rrdtoolterminusdb.comvelocitydb.com
Technical documentationoss.oetiker.ch/­rrdtool/­docterminusdb.com/­docsvelocitydb.com/­UserGuide
DeveloperTobias OetikerDataChemist Ltd.VelocityDB Inc
Initial release199920182011
Current release1.7.2, May 20191.0, 20187.x
License infoCommercial or Open SourceOpen Source infoGPL V2 and FLOSSOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC infoImplementations in Java (e.g. RRD4J) and C# availableProlog, RustC#
Server operating systemsHP-UX
Linux
LinuxAny that supports .NET
Data schemeyesyesyes
Typing infopredefined data types such as float or dateNumeric data onlyyesyes
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.no infoExporting into and restoring from XML files possiblenono
Secondary indexesnoyes
SQL infoSupport of SQLnoSQL-like query language (WOQL)no
APIs and other access methodsin-process shared library
Pipes
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesC infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
JavaScript
Python
.Net
Server-side scripts infoStored proceduresnoyesno
TriggersnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoby using the rrdcached daemonyesyes
Durability infoSupport for making data persistentyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoRole-based access controlBased on Windows Authentication

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More resources
RRDtoolTerminusDB infoformer name was DataChemistVelocityDB
DB-Engines blog posts

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Recent citations in the news

Bare-Bones Monitoring with Monit and RRDtool
21 March 2019, Linux Journal

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24 June 2009, SearchDataCenter.com

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24 November 2017, TechRepublic

The Monitoring Issue
1 November 2018, Linux Journal

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11 September 2015, Geeky Gadgets

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