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[SPARK-21225][CORE] Considering CPUS_PER_TASK when allocating task slots for each WorkerOffer #18435

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[SPARK-21225][CORE] Considering CPUS_PER_TASK when allocating task slots for each WorkerOffer #18435

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2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
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Expand Up @@ -345,7 +345,7 @@ private[spark] class TaskSchedulerImpl(

val shuffledOffers = shuffleOffers(filteredOffers)
// Build a list of tasks to assign to each worker.
val tasks = shuffledOffers.map(o => new ArrayBuffer[TaskDescription](o.cores))
val tasks = shuffledOffers.map(o => new ArrayBuffer[TaskDescription](o.cores / CPUS_PER_TASK))
val availableCpus = shuffledOffers.map(o => o.cores).toArray
val sortedTaskSets = rootPool.getSortedTaskSetQueue
for (taskSet <- sortedTaskSets) {
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