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DBMS > Apache Kylin vs. IBM Db2 Event Store vs. YottaDB

System Properties Comparison Apache Kylin vs. IBM Db2 Event Store vs. YottaDB

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Editorial information provided by DB-Engines
NameApache Kylin  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonYottaDB  Xexclude from comparison
DescriptionA distributed analytics engine for big data, providing a SQL interface and multi-dimensional analysis (OLAP) and leveraging the Hadoop stackDistributed Event Store optimized for Internet of Things use casesA fast and solid embedded Key-value store
Primary database modelRelational DBMSEvent Store
Time Series DBMS
Key-value store
Secondary database modelsRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.14
Rank#171  Overall
#77  Relational DBMS
Score0.18
Rank#315  Overall
#2  Event Stores
#26  Time Series DBMS
Score0.21
Rank#309  Overall
#43  Key-value stores
Websitekylin.apache.orgwww.ibm.com/­products/­db2-event-storeyottadb.com
Technical documentationkylin.apache.org/­docswww.ibm.com/­docs/­en/­db2-event-storeyottadb.com/­resources/­documentation
DeveloperApache Software Foundation, originally contributed from eBay IncIBMYottaDB, LLC
Initial release201520172001
Current release3.1.0, July 20202.0
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infofree developer edition availableOpen Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and C++C
Server operating systemsLinuxLinux infoLinux, macOS, Windows for the developer additionDocker
Linux
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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
Secondary indexesyesnono
SQL infoSupport of SQLANSI SQL for queries (using Apache Calcite)yes infothrough the embedded Spark runtimeby using the Octo plugin
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
ADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
PostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
C
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresyes
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesNo - written data is immutable
Durability infoSupport for making data persistentyesYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers and groups based on OS-security mechanisms

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More resources
Apache KylinIBM Db2 Event StoreYottaDB
Recent citations in the news

Overhauling Apache Kylin for the cloud
18 November 2021, InfoWorld

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