Thanks all for the feedback so far! Especially @Ben Kochie <[email protected]> and @Bjoern Rabenstein <[email protected]> for ideas and contributions! 💪🏽
*We are ready for the second review iteration*. The main recent changes involve: - New proposed solution, the Synthetic-0 append. Please review carefully all details on edge cases and drawback acknowledgements. - Details around Prometheus proto exposition format proposed changes. - Elaboration on metadata alternatives. Kind Regards, Bartek Płotka (@bwplotka) On Mon, Jun 19, 2023 at 9:43 PM Arthur Silva Sens <[email protected]> wrote: > Greetings! > > Sending a message here to let everyone aware of a proposal that Bartek, > Max, Daniel, and I put together: > https://docs.google.com/document/d/1kakDVn8aP1JerimLeazuMfy2jaB14W2kZDHMRokPcv4 > > We're proposing an efficient way to store counter's created timestamps, > and an interface to use them. If done correctly, we're aiming to solve > these problems: > > - > > Common problems of uninitialized counters occur. We don’t know when > the metric with value 0 started, so the counter starts with an incremented > value. This can impact visualization and alerting. > > > - > > It’s possible for rates to be inaccurate for slowly increasing > counters and many restarts in between. > - > > Finding absolute value for longer metrics is expensive as one has to > go sample by sample to detect resets. This impacts ingestors as it requires > stateful algorithms that discern between new metrics and long-running > ones it did not see before > > <https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter>, > as well as advanced algorithms like read-level deduplication algorithm in > Thanos. > > > This work is being done as part of Google Summer of Code (issue reference > <https://github.com/prometheus/prometheus/issues/6541>), with a deadline > of November of this year. Feedback and comments are appreciated! > > Kind regards, > Arthur > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-developers/e0cbc2f1-4f21-4504-9d55-e41904a971f5n%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-developers/e0cbc2f1-4f21-4504-9d55-e41904a971f5n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-developers/CAMssQwa%2BLvABGEH88JBUO_0SD1-BYr0wzesESPke32BaGsM%2BcA%40mail.gmail.com.
