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DBMS > IBM Db2 Event Store vs. RocksDB

System Properties Comparison IBM Db2 Event Store vs. RocksDB

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelEvent Store
Time Series DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.30
Rank#240  Overall
#2  Event Stores
#14  Time Series DBMS
Score2.67
Rank#96  Overall
#17  Key-value stores
Websitewww.ibm.com/­products/­db2-event-storerocksdb.org
Technical documentationwww.ibm.com/­support/­knowledgecenter/­en/­SSGNPV_1.1.2/­eventstore/­welcome.htmlgithub.com/­facebook/­rocksdb/­wiki
DeveloperIBMFacebook, Inc.
Initial release20172013
Current release1.1.36.5.3, January 2020
License infoCommercial or Open Sourcecommercial infofree developer edition availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, ScalaC++
Server operating systemsLinux infoLinux, macOS, Windows for the developer addition
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesno
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
Secondary indexesnono
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeno
APIs and other access methodsJDBC
RESTful HTTP API
C++ API
Java API
Supported programming languagesJava
Python
Scala
C++
Java
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replicationyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlUser level access controlno

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More resources
IBM Db2 Event StoreRocksDB
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