On Tue, 24 May 2022 at 15:38, 'Fabian Stäber' via Prometheus Developers < prometheus-developers@googlegroups.com> wrote:
> Hi Developers, > > Reviewing the Created timestamps for Summary metrics, I'm not sure anymore > if we do it right in client_java: > > In the current implementation of Summary we have: > > - Count: Total number since application start. > - Sum: Total number since application start. > - Quantiles: Sliding time window, by default rotated every 10 minutes. > > The Created timestamp is constant and refers to the application startup. > Created is for when a given child is created, which can be after this, and that's how it's coded: https://github.com/prometheus/client_java/blob/master/simpleclient/src/main/java/io/prometheus/client/Summary.java#L301 > > That means, the Created timestamp is correct for Count and Sum, but > incorrect for the Quantiles, as the Quantiles are max 10 minutes old. > It relates to the count/sum, not the quantiles. Same as for counters and histograms. > > I'm wondering: Is this how the Created timestamp for Summary metrics is > supposed to be implemented? > Unless I messed up, it is implemented correctly in client_java. Brian > > Fabian > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to prometheus-developers+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-developers/0796c263-769e-4003-a3cc-17091eaaaaecn%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-developers/0796c263-769e-4003-a3cc-17091eaaaaecn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Brian Brazil www.robustperception.io -- You received this message because you are subscribed to the Google Groups "Prometheus Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to prometheus-developers+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-developers/CAHJKeLrwOLEOF1GHKwXfxfweK%3Dk0%2Bcz%2Bvcfp8%3D98Np4djkKLkA%40mail.gmail.com.
