Hi John, Just to clarify, this missing data is due to the starting overhead and not due to a bug?
Best, Fabian 2018-09-18 15:35 GMT+02:00 John Stone <elliotst...@gmail.com>: > Thank you all for your assistance. I believe I've found the root cause if > the behavior I am seeing. > > If I just use "SELECT * FROM MyEventTable" (Fabian's question), I find > that events received in the first 3 seconds are ignored as opposed to the > original 5. > > What I'm seeing seems to suggest that the system is just not ready to > start receiving events during that time, i.e. the underlying DataStream is > still getting created, and that removing the GROUP BY reduces the overall > size of the stream which in turn reduces the initialization time. > > Many thanks, > > John >
