wankunde commented on a change in pull request #34234:
URL: https://github.com/apache/spark/pull/34234#discussion_r735225991
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File path: core/src/main/scala/org/apache/spark/scheduler/MapStatus.scala
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@@ -255,9 +255,24 @@ private[spark] object HighlyCompressedMapStatus {
// we expect that there will be far fewer of them, so we will perform
fewer bitmap insertions.
val emptyBlocks = new RoaringBitmap()
val totalNumBlocks = uncompressedSizes.length
- val threshold = Option(SparkEnv.get)
- .map(_.conf.get(config.SHUFFLE_ACCURATE_BLOCK_THRESHOLD))
- .getOrElse(config.SHUFFLE_ACCURATE_BLOCK_THRESHOLD.defaultValue.get)
+ val medianSize: Long = {
+ val sortedSizes = uncompressedSizes.sorted
Review comment:
Yes, I have updated PR, sort the shuffle blocks only if user enable this
future manually. Is this OK?
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