Process JMX beans with an ArrayList value #580
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Based on the discussion in other pull requests, I'm creating this "for debate" rather than with the expectation that will be merged in its current state!
Basically, Apache Ignite (and others as far as I can tell) export certain JMX metrics as an ArrayList. It's not possible to directly bring this into Prometheus but returning the number of entries works reasonably well in this case. Are there better alternatives?