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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