Ngone51 commented on code in PR #39410:
URL: https://github.com/apache/spark/pull/39410#discussion_r1063063596
##########
core/src/test/scala/org/apache/spark/scheduler/CoarseGrainedSchedulerBackendSuite.scala:
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@@ -403,6 +405,92 @@ class CoarseGrainedSchedulerBackendSuite extends
SparkFunSuite with LocalSparkCo
"Our unexpected executor does not have a request time.")
}
+ test("SPARK-41848: executor core decrease should base on taskCpus") {
+ val testStartTime = System.currentTimeMillis()
+
+ val execCores = 3
+ val conf = new SparkConf()
+ .set(EXECUTOR_CORES, execCores)
+ .set(SCHEDULER_REVIVE_INTERVAL.key, "1m") // don't let it auto revive
during test
+ .set(EXECUTOR_INSTANCES, 0) // avoid errors about duplicate executor
registrations
Review Comment:
What do you mean by "duplicate executor registrations"?
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