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DevOps Culture and Practice with OpenShift
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So we have all the metrics to provide us with some insight into how the system is performing. We've got spectacular graphs and gauges in Grafana but we're hardly going to sit watching them all day to see if something happens. It's time to add alerting to the solution.
An alert is an event that is generated when some measurement threshold (observed or calculated) is about to be or has been breached. The following are some examples of alerts:
Alerts usually result in notifications being sent to human operators, whether that is through an email or instant message, say. Notifications can also be sent to trigger automation scripts/processes to deal with the alert. Service owners can analyze their...