Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/892#discussion_r14052122
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -738,4 +738,21 @@ private[spark] class TaskSetManager(
logDebug("Valid locality levels for " + taskSet + ": " +
levels.mkString(", "))
levels.toArray
}
+
+ // Re-compute pendingTasksWithNoPrefs since new preferred locations may
become available
+ def executorAdded() {
+ def newLocAvail(index: Int): Boolean = {
+ for (loc <- tasks(index).preferredLocations) {
+ if (sched.hasExecutorsAliveOnHost(loc.host) ||
+ sched.getRackForHost(loc.host).isDefined) {
--- End diff --
Same here
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