Annotations are a versatile mechanism for providing highlighting individual events in the time series. By singling out a single data point at a particular time and marking it with metadata, you have the capability to mark up your dashboard panels with rich data such as text and tagging. Grafana provides two annotation capabilities to choose from: native Grafana annotations are created interactively and stored with the dashboard on the Grafana server, and data source annotations are created as queries to the data source, with the query and annotation configuration stored with the dashboard.
Annotating the graph panel
Since data source annotations can be resource-intensive, we'll demonstrate annotating with a single-panel dashboard. Create a new dashboard and a single Graph panel with the following settings:
- Query/Data Source: Elasticsearch
- Query/Query: RequestType:Graffiti
- Panel...