[GitHub] gaborgsomogyi commented on a change in pull request #23693: [SPARK-26768][CORE]Remove useless code in BlockManager

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gaborgsomogyi commented on a change in pull request #23693: [SPARK-26768][CORE]Remove useless code in BlockManager
URL: https://github.com/apache/spark/pull/23693#discussion_r252297970
 
 

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 File path: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
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 @@ -632,18 +632,7 @@ private[spark] class BlockManager(
    */
   def getLocalBytes(blockId: BlockId): Option[BlockData] = {
     logDebug(s"Getting local block $blockId as bytes")
-    // As an optimization for map output fetches, if the block is for a shuffle, return it
-    // without acquiring a lock; the disk store never deletes (recent) items so this should work
-    if (blockId.isShuffle) {
 
 Review comment:
   Just curious why not delete `isShuffle`? Presume from your PR it can never be true.

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