Re: joining two windowed aggregations

2017-05-03 Thread Matthias J. Sax
> Seems like this would be a standard join operation Not sure, if I would consider this a "standard" join... Your windows have different size and thus "move" differently fast. Kafka Stream joins provide sliding join semantics. Similar to a SQL query like this (conceptually): > SELECT * FROM

joining two windowed aggregations

2017-05-03 Thread Jon Yeargers
I want to collect data in two windowed groups - 4 hours with a one hour overlap and a 5 minute / 1 minute. I want to compare the values in the _oldest_ window for each group. Seems like this would be a standard join operation but Im not clear on how to limit which window the join operates on. I