Redis replication is a very simple to use and configure master-slave replication that allows slave Redis servers to be exact copies of master servers. The following are some very important facts about Redis replication:
Redis uses asynchronous replication. Starting with Redis 2.8, however, slaves will periodically acknowledge the amount of data processed from the replication stream.
A master can have multiple slaves.
Slaves are able to accept connections from other slaves. Aside from connecting a number of slaves to the same master, slaves can also be connected to other slaves in a graph-like structure.
Redis replication is non-bloc...