Ngone51 commented on a change in pull request #28257: [SPARK-31485][CORE] Avoid
application hang if only partial barrier tasks launched
URL: https://github.com/apache/spark/pull/28257#discussion_r410914798
##########
File path:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
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@@ -401,9 +401,7 @@ private[spark] class TaskSchedulerImpl(
// addresses are the same as that we allocated in
taskResourceAssignments since it's
// synchronized. We don't remove the exact addresses allocated
because the current
// approach produces the identical result with less time
complexity.
- availableResources(i).getOrElse(rName,
- throw new SparkException(s"Try to acquire resource $rName
that doesn't exist."))
Review comment:
this should never happens since `taskResAssignmentsOpt` is non empty.
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