HyukjinKwon commented on a change in pull request #34688:
URL: https://github.com/apache/spark/pull/34688#discussion_r755712526
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File path: python/pyspark/serializers.py
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@@ -19,7 +19,7 @@
PySpark supports custom serializers for transferring data; this can improve
performance.
-By default, PySpark uses :class:`PickleSerializer` to serialize objects using
Python's
+By default, PySpark uses :class:`CPickleSerializer` to serialize objects using
Python's
`cPickle` serializer, which can serialize nearly any Python object.
Review comment:
```suggestion
C-based pickle serializer, which can serialize nearly any Python object.
```
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