Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5173#discussion_r27258656
--- Diff: bin/spark-submit ---
@@ -19,6 +19,9 @@
SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
+# disable randomized hash for string in Python 3.3+
--- End diff --
I guess we need this so that all Python workers produce the same hash for
the same string (e.g. for hash portability). Nice catch.
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