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DBMS > IBM Db2 Event Store vs. LokiJS vs. Netezza vs. RRDtool

System Properties Comparison IBM Db2 Event Store vs. LokiJS vs. Netezza vs. RRDtool

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonLokiJS  Xexclude from comparisonNetezza infoAlso called PureData System for Analytics by IBM  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesIn-memory JavaScript DBMSData warehouse and analytics appliance part of IBM PureSystemsIndustry 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 modelEvent Store
Time Series DBMS
Document storeRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#315  Overall
#2  Event Stores
#26  Time Series DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score7.56
Rank#48  Overall
#31  Relational DBMS
Score1.70
Rank#136  Overall
#11  Time Series DBMS
Websitewww.ibm.com/­products/­db2-event-storegithub.com/­techfort/­LokiJSwww.ibm.com/­products/­netezzaoss.oetiker.ch/­rrdtool
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storetechfort.github.io/­LokiJSoss.oetiker.ch/­rrdtool/­doc
DeveloperIBMIBMTobias Oetiker
Initial release2017201420001999
Current release2.01.8.0, 2022
License infoCommercial or Open Sourcecommercial infofree developer edition availableOpen SourcecommercialOpen Source infoGPL V2 and FLOSS
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++JavaScriptC infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionserver-less, requires a JavaScript environment (browser, Node.js)Linux infoincluded in applianceHP-UX
Linux
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesNumeric 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.nonono infoExporting into and restoring from XML files possible
Secondary indexesnoyes infovia viewsyesno
SQL infoSupport of SQLyes infothrough the embedded Spark runtimenoyesno
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
JavaScript APIJDBC
ODBC
OLE DB
in-process shared library
Pipes
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
JavaScriptC
C++
Fortran
Java
Lua
Perl
Python
R
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 proceduresyesView functions in JavaScriptyesno
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationnoneSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistencynonenone
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACIDno
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyesyes infoby using the rrdcached daemon
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoUsers with fine-grained authorization conceptno

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More resources
IBM Db2 Event StoreLokiJSNetezza infoAlso called PureData System for Analytics by IBMRRDtool
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