Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/22085#discussion_r209464569 --- Diff: python/pyspark/worker.py --- @@ -261,6 +263,9 @@ def main(infile, outfile): # initialize global state taskContext = TaskContext._getOrCreate() + isBarrier = read_bool(infile) --- End diff -- Add a comment indicating the following 3 inputs are only for barrier task?
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