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Redis is an open-source in-memory database project released in 2009 implementing a distributed, in-memory key-value store with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, hyperloglogs, bitmaps and spatial indexes.

Redis is also provided as a service in different Cloud providers ElastiCache from Amazon Web Services and Azure Cache from Microsoft Azure.


Basic commands

  • Connect to Redis database:
$ redis-cli> ping
  • Get redis information:
$> info


  • redis-server --service-install --loglevel verbose

Redis Enterprise

Redis Enterprise is a commercial version of Redis including replication capabilities.

K8s operator for Redis Enterprise was released in October 2018.

CRDB (Conflict-free Replicated Redis Database) allows to run an application in a distributed manner across cloud and on-prem.


Related terms

See also

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