mridulm commented on a change in pull request #27313: [SPARK-29148][CORE] Add
stage level scheduling dynamic allocation and scheduler backend changes
URL: https://github.com/apache/spark/pull/27313#discussion_r376760897
##########
File path: core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
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@@ -423,21 +510,30 @@ private[spark] class ExecutorAllocationManager(
*/
private def removeExecutors(executors: Seq[String]): Seq[String] =
synchronized {
val executorIdsToBeRemoved = new ArrayBuffer[String]
-
logDebug(s"Request to remove executorIds: ${executors.mkString(", ")}")
- val numExistingExecutors = executorMonitor.executorCount -
executorMonitor.pendingRemovalCount
-
- var newExecutorTotal = numExistingExecutors
+ val numExecutorsTotalPerRpId = mutable.Map[Int, Int]()
executors.foreach { executorIdToBeRemoved =>
- if (newExecutorTotal - 1 < minNumExecutors) {
- logDebug(s"Not removing idle executor $executorIdToBeRemoved because
there are only " +
- s"$newExecutorTotal executor(s) left (minimum number of executor
limit $minNumExecutors)")
- } else if (newExecutorTotal - 1 < numExecutorsTarget) {
- logDebug(s"Not removing idle executor $executorIdToBeRemoved because
there are only " +
- s"$newExecutorTotal executor(s) left (number of executor target
$numExecutorsTarget)")
+ val rpId = getResourceProfileIdOfExecutor(executorIdToBeRemoved)
+ if (rpId == UNKNOWN_RESOURCE_PROFILE_ID) {
+ logWarning(s"Not removing executor $executorIdsToBeRemoved because
couldn't find " +
+ "ResourceProfile for it!")
Review comment:
Btw, agree about out of order - thx for the details.
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