What now?

We did not go deep into metrics and queries. There are too many of them. Listing each metric would be the repetition of the HELP entries that already explain them (even though often not in much detail). More importantly, I believe that the best way to learn something is through a practical usage. We'll use those metrics soon when we start creating alerts, and you will have plenty of opportunities to get a better understanding how they work. The same holds true for queries. They will be indispensable for creating alerts and will be explained in more details in the next chapter. Still, even though we'll go through quite a few metrics and queries, the book will not provide a detailed documentation of every combination you can apply. Querying Prometheus (https://prometheus.io/docs/prometheus/latest/querying/basics/) is a much better place to learn how queries...