Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21546#discussion_r204961977
--- Diff: python/pyspark/serializers.py ---
@@ -184,27 +184,67 @@ def loads(self, obj):
raise NotImplementedError
-class ArrowSerializer(FramedSerializer):
+class BatchOrderSerializer(Serializer):
--- End diff --
Since you verifies the performance difference is trivial, I don't think
it's a hard requirement to merge this though. At least, I would just push this
in.
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