Redis definition

Antirez definition

Redis is an in-memory database that persists on disk.

The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, HyperLogLogs, Bitmaps

English wikipedia definition

Redis (/ˈrɛdɪs/; Remote Dictionary Server)[5] is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and spatial indexes.

The project is mainly developed by Salvatore Sanfilippo and as of 2019, is sponsored by Redis Labs.

It is open-source software released under a BSD 3-clause license.

French wikipedia definition

Redis (de l’anglais REmote DIctionary Server qui peut être traduit par « serveur de dictionnaire distant » et jeu de mot avec Redistribute) est un système de gestion de base de données clef-valeur scalable, très hautes performances, écrit en C ANSI et distribué sous licence BSD.

Il fait partie de la mouvance NoSQL et vise à fournir les performances les plus élevées possibles.