tvalentyn commented on code in PR #32082:
URL: https://github.com/apache/beam/pull/32082#discussion_r1728047698
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sdks/python/apache_beam/transforms/util.py:
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@@ -802,6 +802,20 @@ class BatchElements(PTransform):
corresponding to its contents. Each batch is emitted with a timestamp at
the end of their window.
+ When the max_batch_duration_secs arg is provided, a stateful implementation
+ of BatchElements is used to batch elements across bundles. This is most
+ impactful in streaming applications where many bundles only contain one
+ element. Larger max_batch_duration_secs values `might` reduce the throughput
+ of the transform, while smaller values `might` improve the throughput but
Review Comment:
```suggestion
of the transform, while smaller values might improve the throughput but
```
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