Redis cluster is a distributed database solution provided by Redis. The cluster shares data through sharding and provides replication and failover functions.
Node (Recommended Learning: Redis Video Tutorial )
## A Redis cluster usually consists of multiple nodes , initially each node is independent, and they are in a cluster containing only themselves. When the independent nodes are connected through the CLUSTER MEET
A node is actually a Redis server running in cluster mode. The functions it provides are consistent with ordinary Redis servers.
Cluster data structure
The data structure of the cluster mainly includes the following three:clusterState-->clusterNode-->clusterLink
The three of them are included in one The relationship is as shown in the figure below:
Each node contains a clusterState structure
Redis database usage introductory tutorial column to learn!
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