This demo provides a clear, step-by-step guide to starting, stopping, and restarting a PostgreSQL node within your cluster using 123cluster. You’ll learn how to execute the essential commands to control the operational state of your node, ensuring it is properly initialized, halted, or rebooted as needed. The focus is on basic, day-to-day node management—without covering advanced configurations or ongoing maintenance. Perfect for users who need quick and reliable control over their PostgreSQL cluster nodes.

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