From the course: Prometheus and Grafana: Visualizing Application Performance
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Grafana annotations
From the course: Prometheus and Grafana: Visualizing Application Performance
Grafana annotations
- [Instructor] An annotation in Grafana is a visual marker. When you hover over this marker, it shows what was happening at a specific point in time. You can think of annotations as virtual sticky notes that give you context. They help you understand the why behind the trends. Be careful not to confuse annotations with labels. They differ in important ways. Labels are primarily related to the metrics and are identifiers. Annotations, on the other hand, provide additional information about events. There are three main ways to add annotations in Grafana. Directly in the panel, through a HTTP API, and dashboard settings. Each method serves different use cases. For example, you can mark deployments to visualize when a change occurs in your system. You can highlight incidents to identify the time period. You can also track system maintenance actions to provide context for expected downtimes. When you are intentional with the context you add to your dashboards, you make them very easy to…
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