Redis stores the live keyspace in memory and may persist it to disk with RDB snapshots and AOF logs. In Cluster mode the keyspace is partitioned into …

Redis Cluster keeps a second network plane beside client RESP: the cluster bus. Nodes use it to discover peers, share slot and epoch views, detect …

Redis Pub/Sub is an in-process fan-out over named channels and glob patterns. It is not the keyspace: messages are not stored as keys, have no TTL or …

Redis stores keys in memory and serves RESP commands on a single-threaded event loop. This post covers four areas from the current source under …

Build Redis from source on Fedora and debug redis-server in CLion. Architecture notes: Redis internals, Pub/Sub, Cluster bus.