Redis cluster mode

redis The three methods of clustering are : Master slave copy 、 Sentinel mode and cluster .

 

 

1、 Master slave copy : Use asynchronous replication , The user can go through SLAVEOF Command or configuration , Let one server copy another server and become its slave server ,master Nodes provide read-write services ,slave Nodes only provide read services .

 

2、 Sentinel mode : It is used to monitor whether the master server and the slave server are running normally , stay Master When the main server fails , Can achieve Master and Slave Server switching , It is a high availability solution for master-slave mode .

 

3、 colony : Using a cluster, you can put Redis According to certain rules, the data of is distributed to multiple machines , Realized redis Distributed storage .