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DBMS > IBM Db2 Event Store vs. KairosDB vs. RisingWave vs. Splunk

System Properties Comparison IBM Db2 Event Store vs. KairosDB vs. RisingWave vs. Splunk

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonKairosDB  Xexclude from comparisonRisingWave  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesDistributed Time Series DBMS based on Cassandra or H2A distributed RDBMS for stream processing, wire-compatible with PostgreSQLAnalytics Platform for Big Data
Primary database modelEvent Store
Time Series DBMS
Time Series DBMSRelational DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#309  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websitewww.ibm.com/­products/­db2-event-storegithub.com/­kairosdb/­kairosdbwww.risingwave.com/­databasewww.splunk.com
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storekairosdb.github.iodocs.risingwave.com/­docs/­current/­introdocs.splunk.com/­Documentation/­Splunk
DeveloperIBMRisingWave LabsSplunk Inc.
Initial release2017201320222003
Current release2.01.2.2, November 20181.2, September 2023
License infoCommercial or Open Sourcecommercial infofree developer edition availableOpen Source infoApache 2.0Open Source infoApache Version 2.0commercial infoLimited free edition and free developer edition available
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 and C++JavaRust
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionLinux
OS X
Windows
Docker
Linux
macOS
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesStandard SQL-types and JSONyes
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.nononoyes
Secondary indexesnonoyesyes
SQL infoSupport of SQLyes infothrough the embedded Spark runtimenoyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
Graphite protocol
HTTP REST
Telnet API
JDBC
PostgreSQL wire protocol
HTTP REST
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
Java
JavaScript infoNode.js
PHP
Python
Go
Java
JavaScript (Node.js)
Python
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnoUDFs in Python or Javayes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationselectable replication factor infobased on CassandraMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardsimple password-based access controlUsers and RolesAccess rights for users and roles

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More resources
IBM Db2 Event StoreKairosDBRisingWaveSplunk
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