GroupIntoBatches should always emit any buffered elements on window expiration.
On Wed, Aug 26, 2020 at 8:55 AM Alex Amato <[email protected]> wrote: > How does groupIntoBatches behave when there are too few elements for a key > (less than the provided batch size)? > > Based on how its described > <https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/transforms/GroupIntoBatches.html>. > Its not clear to me that the elements will ever emit. Can this cause > stuckness in this case? >
