Expression 1 uses a range vector (data over a 1 hour time window) with predict_linear. However if you only provide one data point, then there's no way it can do linear regression to fit a line.
Expression 2 performs an operation between two different metrics, but you've only provided a data point for one metric. -- 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 prometheus-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/3871be2a-99df-4550-afe2-a75b76db83c0%40googlegroups.com.
