Hi Amit,

the window function applied by default is WindowingStrategy.globalDefault(), [1] - global window with zero allowed lateness.

Cheers,

 Jan

[1] https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/values/WindowingStrategy.java#L105

On 3/31/20 10:22 AM, amit kumar wrote:
Hi All,

Is there a default WindowFn that gets applied to elements of an unbounded source.

For example, if I have a Kinesis input source ,for which all elements are timestamped with ArrivalTime, what will be the default windowing applied to the output of read transform ?

Is this runner dependent ?

Regards,
Amit

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