Do you mind sharing the code how do you register your metrics with the TriggerContext? It could help us identify where does name collisions come from. As far as I am aware it should be fine to use the TriggerContext for registering metrics.
Best, Dawid On 16/03/2021 17:35, Aleksander Sumowski wrote: > Hi all, > I'd like to measure how many events arrive within allowed lateness > grouped by particular feature of the event. We assume particular type > of events have way more late arrivals and would like to verify this. > The natural place to make the measurement would be our custom trigger > within onElement method as this is the place where we know whether > event is late of not. The issue is that the only way to register > MetricGroup at this moment is via Trigger.TriggerContext - which leads > to re-registering and lots of logs: > > > > `Name collision: Group already contains a Metric with the name XXX. > Metric will not be reported.` > > > Any hints how to tackle it? > > Thanks, > Aleksander
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