Github user wuchong commented on the issue: https://github.com/apache/flink/pull/4183 Regarding to early firing, I think we are not on the same page and need to discuss about what is early firing, how to configure it, how to implement it. IMO, the early firing is to config an update rate of window. Such as an one-hour window, but we want to see the result every minutes. So it is very similar to [FLINK-6649](https://issues.apache.org/jira/browse/FLINK-6649)(update rate for non-windowed group), but this is a update-rate/early-interval configuration on window group. If you agree with that, then it is not a time offset of first result, because it can't describe the rate. Maybe we should move this discussion to the early firing issue FLINK-6961 ?
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