[GitHub] [spark] squito commented on a change in pull request #26682: [SPARK-29306][CORE] Stage Level Sched: Executors need to track what ResourceProfile they are created with

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squito commented on a change in pull request #26682: [SPARK-29306][CORE] Stage Level Sched: Executors need to track what ResourceProfile they are created with 
URL: https://github.com/apache/spark/pull/26682#discussion_r357742889
 
 

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 File path: core/src/main/scala/org/apache/spark/scheduler/dynalloc/ExecutorMonitor.scala
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 @@ -392,8 +415,29 @@ private[spark] class ExecutorMonitor(
    * which the `SparkListenerTaskStart` event is posted before the `SparkListenerBlockManagerAdded`
    * event, which is possible because these events are posted in different threads. (see SPARK-4951)
    */
-  private def ensureExecutorIsTracked(id: String): Tracker = {
-    executors.computeIfAbsent(id, _ => new Tracker())
+  private def ensureExecutorIsTracked(id: String, resourceProfileId: Int): Tracker = {
+    val numExecsWithRpId = execResourceProfileCount.getOrElseUpdate(resourceProfileId, 0)
+    val execTracker = executors.computeIfAbsent(id, _ => {
+        val newcount = numExecsWithRpId + 1
+        execResourceProfileCount(resourceProfileId) = newcount
+        logDebug(s"Executor added with ResourceProfile id: $resourceProfileId " +
+          s"count is now $newcount")
+        val tracker = new Tracker()
+        tracker.resourceProfileId = resourceProfileId
 
 Review comment:
   make this part of the constructor for `Tracker`, since its always required.

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