[GitHub] [spark] Ngone51 commented on a change in pull request #31664: [SPARK-34541][CORE] Fixed an issue where data could not be cleaned up when unregisterShuffle.

[GitBox <gi...@apache.org>]

Ngone51 commented on a change in pull request #31664:
URL: https://github.com/apache/spark/pull/31664#discussion_r584432639



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File path: core/src/test/scala/org/apache/spark/shuffle/sort/SortShuffleManagerSuite.scala
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@@ -131,4 +139,29 @@ class SortShuffleManagerSuite extends SparkFunSuite with Matchers {
     )))
   }
 
+  test("Data could not be cleaned up when unregisterShuffle") {

Review comment:
       We can run a simple job before our target job to make the `taskAttemptId` starts from 1. e.g., 
   
   `sc.parallelize(1 to 10, 1).count()`.
   
   I tried this way and the issue can be reproduced.




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