HyukjinKwon commented on a change in pull request #26239:
[SPARK-29582][PYSPARK] Support `TaskContext.get()` in a barrier task from
Python side
URL: https://github.com/apache/spark/pull/26239#discussion_r340386717
##########
File path: python/pyspark/worker.py
##########
@@ -596,6 +599,10 @@ def process():
profiler.profile(process)
else:
process()
+
+ # reset task context to None
+ TaskContext._setTaskContext(None)
+ BarrierTaskContext._setTaskContext(None)
Review comment:
> This code is just a guard program, it shouldn't increase extra overhead or
behavior change.
I guess that's only when the worker is reused. Can you clarify it with
comments here?
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