1. There are an infinite number of possibilities which could match instance=~".*"
2. The result of that query is vector of timeseries. Each timeseries must have concrete labels like foo="bar", whereas foo=~"bar|baz" is a PromQL querying construct only. That is, it's not a label, it's an expression that selects labels. -- 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/5bad054e-035f-4cac-8926-2ce0c5c61d2bo%40googlegroups.com.
