I think it very depends on your use case, maybe you can use combiner
first to reduce the amount of records per key. Maybe you can explain
your application a bit more (which window, type of aggregations).
It often helps e.g. to introduce an artifical key und merge the result
of multiple windows in a downstream operator.
Am 20/03/17 um 18:25 schrieb Sonex:
Thanx for your response.
When using time windows, doesn`t flink know the load per window? I have
observed this behavior in windows as well.
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