jiangxb1987 commented on a change in pull request #23375: [SPARK-26431][CORE]
Update availableSlots by availableCpus for Barrier TaskSet
URL: https://github.com/apache/spark/pull/23375#discussion_r243763633
##########
File path:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
##########
@@ -351,6 +351,11 @@ private[spark] class TaskSchedulerImpl(
* that tasks are balanced across the cluster.
*/
def resourceOffers(offers: IndexedSeq[WorkerOffer]):
Seq[Seq[TaskDescription]] = synchronized {
+
+ def availableSlots(availableCpus: Array[Int]): Int = {
Review comment:
The result is not always correct, please refer to `test("don't schedule for
a barrier taskSet if available slots are less than pending tasks")`
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