To take the difference between an instance vector as it is now and how it was 5 minutes ago:
foo - foo offset 5m However that doesn't explain why your delta(...) expression doesn't work. Can you show the input data, what output data you get, and what output you expected to see? It also doesn't explain why you want to use sum_over_time(...). What does this metric represent? -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/5e457d67-6f4c-4885-b51c-5db9d7662620o%40googlegroups.com.

