Ngone51 commented on a change in pull request #28257:
URL: https://github.com/apache/spark/pull/28257#discussion_r412122918
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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:
`task.resources` (L399) is from `taskResAssignmentsOpt` and
`taskResAssignmentsOpt` is from `availableResources(i)` (see
`resourcesMeetTaskRequirements`).
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