How do I highlight a metric that has a small value on a scale?

Here’s a screencast that demonstrates the problem: https://s.natalian.org/2019-05-30/grafana.mp4

I want to highlight blocked transactions and Deadlocks, but still be able to see queries and CPU.

Or should I just get separate graphs at this point?

Use right y-axis for that particular metric (+ customize configuration of y-axis) → graph will use different scale for each y-axis:

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