Ngone51 commented on a change in pull request #29773:
URL: https://github.com/apache/spark/pull/29773#discussion_r489515161
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File path: core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
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@@ -247,7 +247,13 @@ private[spark] class ExecutorAllocationManager(
}
}
}
- executor.scheduleWithFixedDelay(scheduleTask, 0, intervalMillis,
TimeUnit.MILLISECONDS)
+
+ // SPARK-32287: Avoid the immediate schedule() after
ExecutorAllocationManager started in test
+ // so that we won't hit the race condition between thread
"spark-dynamic-executor-allocation"
+ // and thread "pool-1-thread-1-ScalaTest-running".
+ val initialDelay = if (testing) conf.get(TEST_SCHEDULE_INTERVAL) else 0
Review comment:
Yeah, I actually also tried that way. I'd like to disable the whole
timer if you also think it's ok.
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