Batches inputs to a desired batch size.
Batches contain only elements of a single key. Elements are buffered until
batchSize number of elements buffered. Then, these elements are output
to the output collection.
Batches contain elements from the same window, so windows are preserved. Batches might contain elements from more than one bundle.
See BEAM-7703 for updates.
- GroupByKey takes one input collection.
Last updated on 2020/08/14
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