Github user davies commented on a diff in the pull request: https://github.com/apache/spark/pull/16263#discussion_r93126957 --- Diff: python/pyspark/rdd.py --- @@ -135,12 +135,12 @@ def _load_from_socket(port, serializer): break if not sock: raise Exception("could not open socket") - try: - rf = sock.makefile("rb", 65536) - for item in serializer.load_stream(rf): - yield item - finally: - sock.close() + # The RDD materialization time is unpredicable, if we set a timeout for socket reading + # operation, it will very possibly fail. See SPARK-18281. + sock.settimeout(None) + # The socket will be automatically closed when garbage-collected. + rf = sock.makefile("rb", 65536) + return serializer.load_stream(sock.makefile("rb", 65536)) --- End diff -- +1
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