viirya commented on a change in pull request #24699: [SPARK-27666][CORE] Stop
PythonRunner's WriteThread immediately when task finishes
URL: https://github.com/apache/spark/pull/24699#discussion_r287408826
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File path: core/src/main/scala/org/apache/spark/api/python/PythonRunner.scala
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@@ -180,6 +180,7 @@ private[spark] abstract class BasePythonRunner[IN, OUT](
def shutdownOnTaskCompletion() {
assert(context.isCompleted)
this.interrupt()
+ this.join()
Review comment:
Ur..I think this change just hangs the execution.
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