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DBMS > NSDb vs. OushuDB vs. RRDtool

System Properties Comparison NSDb vs. OushuDB vs. RRDtool

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Editorial information provided by DB-Engines
NameNSDb  Xexclude from comparisonOushuDB  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningIndustry 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.
Primary database modelTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score1.90
Rank#132  Overall
#11  Time Series DBMS
Websitensdb.iowww.oushu.com/­product/­oushuDBoss.oetiker.ch/­rrdtool
Technical documentationnsdb.io/­Architecturewww.oushu.com/­documentationoss.oetiker.ch/­rrdtool/­doc
DeveloperOushuTobias Oetiker
Initial release20171999
Current release4.0.1, August 20201.8.0, 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoGPL V2 and FLOSS
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaC infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsLinux
macOS
LinuxHP-UX
Linux
Data schemeyesyes
Typing infopredefined data types such as float or dateyes: int, bigint, decimal, stringyesNumeric data only
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 infoExporting into and restoring from XML files possible
Secondary indexesall fields are automatically indexedyesno
SQL infoSupport of SQLSQL-like query languageFull-featured ANSI SQL supportno
APIs and other access methodsgRPC
HTTP REST
WebSocket
JDBC
ODBC
in-process shared library
Pipes
Supported programming languagesJava
Scala
C
C++
C 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
Server-side scripts infoStored proceduresnoyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistencynone
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemon
Durability infoSupport for making data persistentUsing Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlKerberos, SSL and role based accessno

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More resources
NSDbOushuDBRRDtool
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