Ngone51 commented on a change in pull request #31480:
URL: https://github.com/apache/spark/pull/31480#discussion_r594903011
##########
File path:
core/src/main/scala/org/apache/spark/util/collection/ExternalSorter.scala
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@@ -672,6 +672,22 @@ private[spark] class ExternalSorter[K, V, C](
partitionedIterator.flatMap(pair => pair._2)
}
+ /**
+ * Return an iterator over all the data written to this object, aggregated
by our aggregator.
+ * On task completion (success, failure, or cancellation), it updates
related task metrics,
+ * and releases resources by calling `stop()`.
+ */
+ def completionIterator: Iterator[Product2[K, C]] = {
+ context.taskMetrics().incMemoryBytesSpilled(memoryBytesSpilled)
+ context.taskMetrics().incDiskBytesSpilled(diskBytesSpilled)
+ context.taskMetrics().incPeakExecutionMemory(peakMemoryUsedBytes)
Review comment:
Ah, I just saw you already renamed the method name. Should be good
enough. You can ignore mine.
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