What is Redis Sentinel architecture?
Redis Sentinel is a system designed to manage Redis instances, providing high availability and monitoring.
How does it ensure high availability?
It monitors master and replica instances, automatically promoting a replica to master if the current master fails.
Can you explain how failover works in Redis Sentinel?
During failover, Sentinel detects a failure, selects a replica, and promotes it to master, updating clients accordingly.
What are the key components of Redis Sentinel?
The key components are Sentinels, Redis masters, and Redis replicas, all working together to maintain availability.
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