Ngone51 commented on a change in pull request #29452:
URL: https://github.com/apache/spark/pull/29452#discussion_r476464214
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File path:
core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
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@@ -2077,6 +2086,98 @@ class TaskSetManagerSuite
assert(manager.resourceOffer("exec1", "host1", ANY)._1.isEmpty)
}
+ test("SPARK-21040: Tasks are not speculated on decommissioning if
speculation is disabled") {
Review comment:
Do we really need this? This indeed the only behavior before
SPARK-21040. And SPARK-21040 added a flag to allow users to switch to the new
behavior.
This test just makes me feel that we're testing whether the flag works well.
If we really need this test, I'd prefer to combine this test and the above one
to reuse the codes instead of bringing too many duplicate codes to test the
tiny difference.
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