Valkey Sentinel

Valkey Sentinel is an open-source high availability solution for Valkey that monitors Valkey servers, detects failures, and automatically performs failover when the primary server becomes unavailable. It provides continuous health monitoring, service discovery, and automatic primary election to help maintain reliable and resilient in-memory data services with minimal downtime.

• Continuously monitors Valkey primary and replica instances.
• Automatically detects failures and performs failover.
• Promotes a healthy replica to become the new primary server.
• Provides service discovery for client applications.
• Supports distributed consensus using multiple Sentinel instances.
• Generates notifications and alerts for server events.
• Helps minimize downtime and improve service availability.
• Lightweight and easy to deploy alongside existing Valkey servers.

Valkey Sentinel Usage:

$ sudo su
$ apt update
$ /usr/local/bin/valkey-server --version