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DBMS > EventStoreDB vs. KeyDB vs. Transwarp StellarDB

System Properties Comparison EventStoreDB vs. KeyDB vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonKeyDB  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.An ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsA distributed graph DBMS built for enterprise-level graph applications
Primary database modelEvent StoreKey-value storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.10
Rank#179  Overall
#1  Event Stores
Score0.71
Rank#226  Overall
#33  Key-value stores
Score0.00
Rank#383  Overall
#39  Graph DBMS
Websitewww.eventstore.comgithub.com/­Snapchat/­KeyDB
keydb.dev
www.transwarp.cn/­en/­product/­stellardb
Technical documentationdevelopers.eventstore.comdocs.keydb.dev
DeveloperEvent Store LimitedEQ Alpha Technology Ltd.Transwarp
Initial release20122019
Current release21.2, February 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoBSD-3commercial
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++
Server operating systemsLinux
Windows
Linux
Data schemeschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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.no
Secondary indexesyes infoby using the Redis Search module
SQL infoSupport of SQLnoSQL-like query language
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoOpenCypher
Supported programming languagesC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored proceduresLua
Triggersno
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlsimple password-based access control and ACLyes

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More resources
EventStoreDBKeyDBTranswarp StellarDB
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