Trickster is a reverse proxy cache for the Prometheus HTTP APIv1 that dramatically accelerates dashboard rendering times for any series queried from Prometheus.
If you are just getting into DevOps, here is some reading and light homework to get you started:
Read the Phoenix Project book by Gene Kim etc.
Here is the training that we like our fledgling baby Crafty Penguins go through. This gives solid exposure to Linux, Networking, and Development concepts required to fill a DevOps or SRE (Site Reliability Engineering) role.