Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7888#discussion_r44816001
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -429,7 +433,13 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
}
// If an executor is already pending to be removed, do not kill it
again (SPARK-9795)
- val executorsToKill = knownExecutors.filter { id =>
!executorsPendingToRemove.contains(id) }
+ // If this executor is busy, do not kill it unless we are told to
force kill it (SPARK-9552)
+ val executorsToKill = knownExecutors
+ .filter { id => !executorsPendingToRemove.contains(id) }
+ .filter { id => force || !scheduler.isExecutorBusy(id) }
+ // for test only
+ .filter { id => force ||
+
!scheduler.sc.getConf.getBoolean("spark.dynamicAllocation.testing", false)}
--- End diff --
I see, because we want to mock the executor busy behavior. But this is the
wrong flag to use
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