On 06 Dec 23:06, 'Fabian Stäber' via Prometheus Developers wrote: > Hi, > > I'm experimenting with Exemplars for Gauge metrics in client_java > (background: at the dev summit on 10 November 2022 > <https://docs.google.com/document/d/11LC3wJcVk00l8w5P3oLQ-m3Y37iom6INAMEu2ZAGIIE/edit> > we decided that "Prometheus will ingest Exemplars on all time series"). > > For comparison: A counter MUST have the following methods > <https://prometheus.io/docs/instrumenting/writing_clientlibs/#counter>: > > - inc(): Increment the counter by 1 > - inc(double v): Increment the counter by the given amount. MUST check > that v >= 0. > > Exemplars will contain the increment, i.e. if inc() is called the Exemplar > will have the value 1.0, if inc(v) is called the Exemplar will have the > value v. > > Now, A gauge MUST have the following methods > <https://prometheus.io/docs/instrumenting/writing_clientlibs/#gauge>: > > - inc(): Increment the gauge by 1 > - inc(double v): Increment the gauge by the given amount > - dec(): Decrement the gauge by 1 > - dec(double v): Decrement the gauge by the given amount > - set(double v): Set the gauge to the given value > > Which value should we choose for Gauge Exemplars?
That is a good question and my guess would be that it will depend on the use case. Do you have examples of gauges would would attach exemplars to? -- Julien Pivotto @roidelapluie -- 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/Y4%2B/yP34U83O40PG%40nixos.
