Each combination of metric name plus set of label names and values defines a new metric (timeseries).
If you change a label, then you're creating a new metric. Not knowing the Java API, I'd suspect that you have to explicitly delete the old metric. On Monday, 15 August 2022 at 03:47:31 UTC+1 [email protected] wrote: > Thanks very much. > I query data from anthor metrics system and handle it to prometheus > format. Like my comment, the `app_version{version=a} ` is in changing, > there will generate new label value and the old label value may not used > anymore. But it still in query result. > > 在2022年8月12日星期五 UTC+8 17:14:11<Stuart Clark> 写道： > >> On 09/08/2022 08:56, Hello Wood wrote: >> > Hi, I using Prometheus to collect Spring Boot service metrics in Java. >> > But I found a problem that data still exsit after pull, that made the >> > instant data is not correct. >> > >> > Like at now there has one label like 'app_version{version=a} 100', >> > then the metrics updated, and add a new label value b, the metrics >> > come to 'app_version{version=a} 50' and 'app_version{version=b} 50'; >> > Then, label a no longer update, and metrics come to >> > 'app_version{version=b} 100'. >> > >> > When I pull metrics form Spring Boot service, the metrics is >> > 'app_version{version=a} 50' and 'app_version{version=b} 100'. But >> > expect data should be 'app_version{version=b} 100' only. >> > >> > How could I fix this issue? Thanks. >> >> I think possibly you aren't using labels in the way expected. >> >> Labels are used to "slice & dice" the data, so for example to be able to >> see which specific HTTP response code was returned from a web call, etc. >> >> What is the value of the metric app_version supposed to signify? >> >> -- >> Stuart Clark >> >> -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/dc93daf3-df95-4173-9f41-6da29a215425n%40googlegroups.com.
