Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/3783#discussion_r22632968
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -315,7 +314,7 @@ private[spark] class ExecutorAllocationManager(
private def onExecutorAdded(executorId: String): Unit = synchronized {
if (!executorIds.contains(executorId)) {
executorIds.add(executorId)
- executorIds.foreach(onExecutorIdle)
+ onExecutorIdle(executorId)
--- End diff --
If an idle executor (call this executor X) is not removed because the
minimum is reached, it won't be removed. However, its expireTime isn't changed.
So after new executor joins, `schedule()` will remove this idle executor since
it's expired.
Do you want to reset the `expireTime` of idle executors when a new Executor
joins?
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