What is Redis replication failover and how does it work?
Redis replication failover is a mechanism that allows a Redis instance to automatically switch to a replica if the master fails.
How does Redis detect that the master is down?
Redis uses a system of heartbeats and timeouts to determine if the master is unresponsive. If it doesn't respond within a set time, it is considered down.
What happens during the failover process?
During failover, one of the replicas is promoted to master, and the other replicas are reconfigured to replicate from the new master.
Can I configure the failover settings?
Yes, you can configure various settings such as the timeout duration and the number of required acknowledgments before a failover occurs.
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