yikf commented on a change in pull request #31664:
URL: https://github.com/apache/spark/pull/31664#discussion_r584384912
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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:
It seems that context.taskAttemptId and partitionId are the same, both
increasing from 0. I don't understand why the protocol should be
differentiated on the write side.
I met this problem before, but now the scene has not been recovered
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