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From andrewor14 <>
Subject [GitHub] spark pull request: [SPARK-12392][Core] Optimize a location order ...
Date Sat, 19 Dec 2015 02:06:54 GMT
Github user andrewor14 commented on a diff in the pull request:
    --- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala ---
    @@ -578,9 +578,18 @@ private[spark] class BlockManager(
         doGetRemote(blockId, asBlockResult = false).asInstanceOf[Option[ByteBuffer]]
    +  private def getLocations(blockId: BlockId): Seq[BlockManagerId] = {
    +    // Since block managers can share an identical host, we put these preferred
    +    // locations first.
    --- End diff --
    I would move this to the java doc and rephrase it
     * Return a list of locations for the given block, prioritizing the local machine since
     * block managers can share the same host.

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