Valkey Sentinel

Valkey Sentinel is an open-source, command-line–driven high-availability solution designed to monitor Valkey deployments and provide automatic failover in case of master node failures. It enables administrators and DevOps teams to ensure continuous availability of in-memory data services without manual intervention.

Features of Valkey Sentinel:

• Continuous monitoring of Valkey master and replica nodes.
• Automatic detection of failures and promotion of replicas to master.
• Quorum-based decision making to prevent split-brain scenarios.
• CLI-based operation suitable for automation, scripting, and production environments.
• Provides dynamic master discovery support for client applications.

To check the installed version of Valkey Sentinel, run the following commands:

$ valkey-server --version
$ valkey-cli --version

Disclaimer: :contentReference[oaicite:0]{index=0} Sentinel is open-source software provided under applicable licenses and is distributed “as is.” Users are responsible for configuring Sentinel quorum correctly, securing access with authentication and network controls, monitoring failover events, and following best practices for high-availability and data consistency in production environments.