HyukjinKwon commented on code in PR #41563:
URL: https://github.com/apache/spark/pull/41563#discussion_r1231605943
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python/pyspark/worker.py:
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@@ -531,9 +528,10 @@ def func(_, it):
f"the 'terminate' method: {str(e)}"
)
- ser = BatchedSerializer(CPickleSerializer(), 100)
+ # Each row is a group so do not batch but send one by one.
Review Comment:
Yeah it would does because the batch is too small. That's why we need a
better implementation that creates a batch based on the actual row number.
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