In the previous chapter, we concentrated our efforts on understanding how a data source is primary to the Grafana visualization workflow. We launched a Prometheus Docker container along with a Grafana server, scraped data from both applications, and then configured a Grafana Data Source in order to connect to the Prometheus server. Finally, we used the Explore module to get a feel for how to make various queries to the data source and get immediate feedback in the graph display.
While Explore is a powerful mechanism for browsing a data source, it is somewhat limited in functionality compared to the graph panel. This is not surprising as it's mostly intended to support ad hoc, transient queries with more ...
