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DBMS > KeyDB vs. Valkey

System Properties Comparison KeyDB vs. Valkey

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Our visitors often compare KeyDB and Valkey with Dragonfly, Redis and Memcached.

Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonValkey infoOpen source key/value datastore  Xexclude from comparison
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsOpen source key/value datastore
Primary database modelKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.71
Rank#221  Overall
#32  Key-value stores
Score1.35
Rank#153  Overall
#25  Key-value stores
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
valkey.io
Technical documentationdocs.keydb.devgithub.com/­valkey-io/­valkey
DeveloperEQ Alpha Technology Ltd.
Initial release20192024
Current releaseValkey 8.0.1, October 2024
License infoCommercial or Open SourceOpen Source infoBSD-3Open Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C
Server operating systemsLinux
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 SQLno
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization Protoco
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
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding
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 integritynono
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 datayes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
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 ACL

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More resources
KeyDBValkey infoOpen source key/value datastore
Recent citations in the news

Snap snaps up database developer KeyDB to make its infrastructure more snappy
12 May 2022, TechCrunch

Valkey Emerges as Leading Open Source Alternative to Redis After Relicensing Row
12 September 2024, Business Wire

Flight to Valkey appears to be response to removal of Redis’ open source license
12 September 2024, techzine.eu

Introducing Garnet – an open-source, next-generation, faster cache-store for accelerating applications and services
18 March 2024, Microsoft

Microsoft open-sources unique “Garnet” cache-store; a Redis rival?
19 March 2024, The Stack

provided by Google News

How Habby enhanced resiliency and system robustness using Valkey GLIDE and Amazon ElastiCache
28 April 2025, Amazon Web Services (AWS)

Redis-Forked Valkey 8.1 Released - Turns To AVX2 For Better Performance
31 March 2025, Phoronix

Redis returns to the open source fold
2 May 2025, Computing UK

DigitalOcean Introduces Managed Caching for Valkey
24 April 2025, Business Wire

Best of 2024: Valkey is Rapidly Overtaking Redis
23 December 2024, DevOps.com

provided by Google News



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