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DBMS > IRONdb vs. Kdb+ vs. NuoDB

System Properties Comparison IRONdb vs. Kdb+ vs. NuoDB

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Editorial information provided by DB-Engines
NameIRONdb  Xexclude from comparisonKdb+  Xexclude from comparisonNuoDB  Xexclude from comparison
DescriptionA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityHigh performance Time Series DBMSNuoDB is a webscale distributed database that supports SQL and ACID transactions
Primary database modelTime Series DBMSTime Series DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#352  Overall
#33  Time Series DBMS
Score7.48
Rank#59  Overall
#2  Time Series DBMS
Score1.16
Rank#190  Overall
#91  Relational DBMS
Websitewww.circonus.com/­solutions/­time-series-databasekx.comnuodb.com
Technical documentationdocs.circonus.com/­irondbcode.kx.comdoc.nuodb.com
DeveloperCirconus LLC.Kx Systems, a division of First Derivatives plcNuoDB, Inc.
Initial release20172000 infokdb was released 2000, kdb+ in 20032013
Current releaseV0.10.20, January 20183.6, May 2018
License infoCommercial or Open Sourcecommercialcommercial infofree 32-bit versioncommercial infolimited edition free
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 and C++qC++
Server operating systemsLinuxLinux
OS X
Solaris
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infotext, numeric, histogramsyesyes
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 indexesnoyes infotable attribute 'grouped'yes
SQL infoSupport of SQLSQL-like query language (Circonus Analytics Query Language: CAQL)SQL-like query language (q)yes
APIs and other access methodsHTTP APIHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresyes, in Luauser defined functionsJava, SQL
Triggersnoyes infowith viewsyes
Partitioning methods infoMethods for storing different data on different nodesAutomatic, metric affinity per nodehorizontal partitioningdata is dynamically stored/cached on the nodes where it is read/written
Replication methods infoMethods for redundantly storing data on multiple nodesconfigurable replication factor, datacenter awareSource-replica replicationyes infoManaged transparently by NuoDB
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID infotunable commit protocol
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC
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.noyesyes infoTemporary table
User concepts infoAccess controlnorights management via user accountsStandard SQL roles/ privileges, Administrative Users

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More resources
IRONdbKdb+NuoDB
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