How can you view older data, while keeping your monitoring reliable?
Reliable Insights
A blog on monitoring, scale and operational Sanity
Prometheus performance almost always comes down to one thing: label cardinality.
Prometheus doesn't come with server-side security features out of the box, but there's many options out there to provide them.
Choosing what range to use with the rate function can be a bit subtle.
On a regular basis a potential Prometheus user says they need a different architecture to make things reliable or scalable. Let's look at that.
Graphs from Prometheus use the query_range endpoint, and there's a non-trivial amount of confusion that it's more magic than it actually is.
For online serving systems it's fairly well known that you should look for request rate, errors and duration. What about offline processing pipelines though?
