Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14710#discussion_r76788546
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -478,19 +487,24 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
numExecutors: Int,
localityAwareTasks: Int,
hostToLocalTaskCount: Map[String, Int]
- ): Boolean = synchronized {
+ ): Boolean = {
if (numExecutors < 0) {
throw new IllegalArgumentException(
"Attempted to request a negative number of executor(s) " +
s"$numExecutors from the cluster manager. Please specify a
positive number!")
}
- this.localityAwareTasks = localityAwareTasks
- this.hostToLocalTaskCount = hostToLocalTaskCount
+ val response = synchronized {
+ this.localityAwareTasks = localityAwareTasks
+ this.hostToLocalTaskCount = hostToLocalTaskCount
+
+ numPendingExecutors =
--- End diff --
I guess I'll have to go look at the new implementation, can you clarify why
ask would be better?
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