Thank you for the clarification. I will check this out and get back to you.
On Tue, Jan 26, 2021, 5:08 PM Julius Volz <[email protected]> wrote: > Hi Ramprasath, > > When you do a N-to-1 (or many-to-one) match, you need to ensure that your > matching labels (in your case, "namespace" and "pod") don't produce > multiple matches on the "many" (right) side for any entry on the "one" > (left) side. The error message lists two series from the right side which > have identical namespace + pod labels, but differ on at least the "replica" > label ("thanos-receive-prod-0" vs. "thanos-receive-poc-0"). Maybe you only > wanted to select series from one Thanos receive replica on the right side > and that would fix the issue? Or you could aggregate away the extra label > somehow before applying the binary operator. > > Regards, > Julius > > On Tue, Jan 26, 2021 at 5:49 AM Ramprasath A <[email protected]> > wrote: > >> Hi, >> >> I have an expression of a recording rule named *node:node_num_cpu:sum * >> and I am planning to add this rule to Thanos-Rule component but it fails >> in Thanos-Query itself with the error message: *many-to-many matching >> not allowed: matching labels must be unique on one side* (attached >> screenshot here with too. Please find the attachment.) >> >> Here is the query: >> count by (cluster, node) (sum by (node, cpu) ( >> node_cpu_seconds_total{job="node-exporter"} >> * on (namespace, pod) group_left(node) >> node_namespace_pod:kube_pod_info: >> )) >> >> Similarly, there are around about 50 other recording and alerting rules >> which are affected. >> >> Thank you for your time and consideration. >> >> Sincerely, >> Ramprasath A >> >> -- >> 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/c100c985-58ec-40e6-b15b-10d6d704b1bfn%40googlegroups.com >> <https://groups.google.com/d/msgid/prometheus-users/c100c985-58ec-40e6-b15b-10d6d704b1bfn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Julius Volz > PromLabs - promlabs.com > -- 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/CAKr3sbWcCwd0FB%3DmnFQjuLz5OAPpNibdTmXHb_GrGVviwhJKVA%40mail.gmail.com.
