holdenk commented on a change in pull request #28257:
URL: https://github.com/apache/spark/pull/28257#discussion_r414103413
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File path:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
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@@ -675,11 +676,15 @@ private[spark] class TaskSchedulerImpl(
// Check whether the barrier tasks are partially launched.
// TODO SPARK-24818 handle the assert failure case (that can happen
when some locality
// requirements are not fulfilled, and we should revert the launched
tasks).
- require(addressesWithDescs.size == taskSet.numTasks,
- s"Skip current round of resource offers for barrier stage
${taskSet.stageId} " +
Review comment:
Could we instead have a counter inside the taskSet or other mechanism to
allow for X retries? It seems like turning it off bis a bit of a behaviour
change from the point of view of considering backporting.
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