Sorry, first link was wrong. https://groups.google.com/g/prometheus-users/c/IeW_3nyGkR0/m/unto0oGQAQAJ https://groups.google.com/g/prometheus-users/c/83pEAX44L3M/m/E20UmVJyBQAJ
On Friday 19 April 2024 at 18:28:29 UTC+1 Brian Candler wrote: > Can you give examples of the metrics in question, and what conditions > you're trying to check for? > > Looking at your specific PromQL query: Firstly, in my experience, it's > very unusual in Prometheus queries to use ==bool or >bool, and in this > specific case definitely seems to be wrong. > > Secondly, you won't be able to join the LH and RH sides of your expression > with "and" unless either they have exactly the same label sets, or you > modify your condition using "and on (...)" or "and ignoring (...)". > > "and" is a vector intersection operator, where the result vector includes > a value if the labels match, and the value is taken from the LHS, and that > means it doesn't combine the values like you might be used to in other > programming languages. For example, > > vector(0) and vector(1) => value is 0 > vector(1) and vector(0) => value is 1 > vector(42) and vector(99) => value is 42 > > This is as described in the documentation > <https://prometheus.io/docs/prometheus/latest/querying/operators/#logical-set-binary-operators> > : > > vector1 and vector2 results in a vector consisting of the elements of > vector1 for which there are elements in vector2 with exactly matching > label sets. Other elements are dropped. The metric name and values are > carried over from the left-hand side vector. > > PromQL alerts on the presence of values, and in PromQL you need to think > in terms of "what (labelled) values are present or absent in this vector", > using the "and/unless" operators to suppress elements in the result vector, > and the "or" operator to add additional elements to the result vector. > > Maybe these explanations help: > https://groups.google.com/g/prometheus-users/c/IeW_3nyGkR0/m/NH2_CRPaAQAJ > https://groups.google.com/g/prometheus-users/c/83pEAX44L3M/m/E20UmVJyBQAJ > > On Friday 19 April 2024 at 16:31:23 UTC+1 Robson Jose wrote: > >> Good afternoon, I would like to know if it is possible to do this query, >> the value that should return is applications with a value of 0 in the first >> query and greater than one in the 2nd >> >> ( >> sum by (consumergroup, topic) >> (delta(kafka_consumergroup_current_offset{}[5m])/5) ==bool 0 >> ) >> and ( >> sum by (topic) (delta(kafka_consumergroup_current_offset{}[5m])/5) >> >bool 1 >> ) >> > -- 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/304a4437-6cbb-451b-b476-d3196dc6923bn%40googlegroups.com.
