[GitHub] [spark] HyukjinKwon commented on a change in pull request #26239: [SPARK-29582][PYSPARK] Support `TaskContext.get()` in a barrier task from Python side

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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_r340386501
 
 

 ##########
 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:
   > If exceptions occured, the worker will be closed with `sys.exit(-1)`.
   
   I meant, this guard logic will be ignored anyway in that case. Why do we need this if we should only clean up when it succeeds?

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