holdenk commented on a change in pull request #28331:
URL: https://github.com/apache/spark/pull/28331#discussion_r419059599
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File path: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
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@@ -650,6 +656,19 @@ private[spark] class BlockManager(
blockId: BlockId,
level: StorageLevel,
classTag: ClassTag[_]): StreamCallbackWithID = {
+ // Delegate shuffle blocks here to resolver if supported
+ if (blockId.isShuffle || blockId.isInternalShuffle) {
+ logDebug(s"Putting shuffle block ${blockId}")
+ try {
+ return indexShuffleResolver.putShuffleBlockAsStream(blockId,
serializerManager)
+ } catch {
+ case e: ClassCastException => throw new Exception(
+ s"Unexpected shuffle block ${blockId} with unsupported shuffle " +
+ s"resolver ${shuffleManager.shuffleBlockResolver}")
+ }
+ }
+ logDebug(s"Putting regular block ${blockId}")
+ // All other blocks
Review comment:
We return inside of the if block so if we've reached here it is a not a
shuffle block.
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