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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-developers/Y4%2B/yP34U83O40PG%40nixos.
