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NodejsDown
critical

Description Node.js {{$labels.job}} on {{$labels.instance}} is not up.
Query for 5m 
>>>
	
				
					
				
			
				
					 != 1
Query Explanation

The query checks whether the metric process_start_time_seconds for a Node.js process is not equal to the constant 1. Since this metric normally holds the process start timestamp, any value other than 1 (or its absence) indicates the process is not up, triggering the NodejsDown alert.

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