Hi, Nikhil Window will emit all state to downstream. Can you clear the state while triggering?
Nikhil Goyal <nownik...@gmail.com>于2019年5月19日 周日01:03写道: > I have window of 1 hour and trigger of 5 min. I want to know if every 5 > min Flink is writing the entire window or only the keys which changed. > > On Sat, May 18, 2019, 9:40 AM miki haiat <miko5...@gmail.com> wrote: > >> Can you elaborate more what is you use case ? >> >> >> On Sat, May 18, 2019 at 12:47 AM Nikhil Goyal <nownik...@gmail.com> >> wrote: >> >>> Hi guys, >>> >>> Is there a way in Flink to only propagate the changes which happened in >>> the window's state rather than dumbing the contents of the window again and >>> again upon trigger? >>> >>> Thanks >>> Nikhil >>> >> -- Best, Congxian