Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/5286#discussion_r27457202
--- Diff:
core/src/main/scala/org/apache/spark/shuffle/IndexShuffleBlockManager.scala ---
@@ -39,25 +41,18 @@ import org.apache.spark.storage._
// Note: Changes to the format in this file should be kept in sync with
//
org.apache.spark.network.shuffle.StandaloneShuffleBlockManager#getSortBasedShuffleBlockData().
private[spark]
-class IndexShuffleBlockManager(conf: SparkConf) extends
ShuffleBlockManager {
+class IndexShuffleBlockManager(conf: SparkConf) extends
ShuffleBlockResolver {
private lazy val blockManager = SparkEnv.get.blockManager
private val transportConf = SparkTransportConf.fromSparkConf(conf)
- /**
- * Mapping to a single shuffleBlockId with reduce ID 0.
- * */
- def consolidateId(shuffleId: Int, mapId: Int): ShuffleBlockId = {
- ShuffleBlockId(shuffleId, mapId, 0)
- }
-
def getDataFile(shuffleId: Int, mapId: Int): File = {
- blockManager.diskBlockManager.getFile(ShuffleDataBlockId(shuffleId,
mapId, 0))
+ blockManager.diskBlockManager.getFile(ShuffleDataBlockId(shuffleId,
mapId, NOOP_REDUCE_ID))
--- End diff --
A second option would be to overload ShuffleDataBlockId/ShuffleIndexBlockId
to have apply methods that take only the two parameters, since this is a pretty
common case (being the default).
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