Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2386
Thanks for the contribution @rmetzger. I briefly skimmed over the code and
noticed that `LatencyMarker` don't participate in windows. Thus, I was asking
myself what latency actually means. Could you please define properly what
latency measures and how this can be a useful metric for users (especially wrt
windows and window functions).
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