Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6662#discussion_r31831782
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/YarnSchedulerBackend.scala
---
@@ -53,7 +53,10 @@ private[spark] abstract class YarnSchedulerBackend(
* This includes executors already pending or running.
*/
override def doRequestTotalExecutors(requestedTotal: Int): Boolean = {
-
yarnSchedulerEndpoint.askWithRetry[Boolean](RequestExecutors(requestedTotal))
+ if (conf.getBoolean("spark.dynamicAllocation.enabled", false)) {
--- End diff --
Can you explain how this method is called with dynamic allocation disabled?
The only call chain I can find starts with `ExecutorAllocationManager`,
which is not instantiated when dynamic allocation is off.
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