What is the Redis failover mechanism?
The Redis failover mechanism is a process that ensures high availability by automatically switching to a replica if the master fails.
How does Redis detect a master failure?
Redis uses a system called Sentinel to monitor the master and replicas. If the master becomes unresponsive, Sentinel initiates a failover.
What happens during the failover process?
During failover, Sentinel promotes one of the replicas to be the new master and updates the other replicas to point to the new master.
Can I configure the failover settings?
Yes, you can configure various settings in Sentinel, such as the failover timeout and the number of required votes for a failover.
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