dongjoon-hyun commented on a change in pull request #24519:
[SPARK-27612][PYTHON] Use Python's default protocol instead of highest protocol
URL: https://github.com/apache/spark/pull/24519#discussion_r280655697
##########
File path: python/pyspark/serializers.py
##########
@@ -62,11 +62,12 @@
if sys.version < '3':
import cPickle as pickle
from itertools import izip as zip, imap as map
+ pickle_protocol = 2
else:
import pickle
basestring = unicode = str
xrange = range
-pickle_protocol = pickle.HIGHEST_PROTOCOL
+ pickle_protocol = 3
Review comment:
It looks nice and solid.
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