xuanyuanking commented on a change in pull request #26040: [SPARK-9853][Core]
Optimize shuffle fetch of continuous partition IDs
URL: https://github.com/apache/spark/pull/26040#discussion_r335323259
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File path: core/src/main/scala/org/apache/spark/storage/BlockId.scala
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@@ -56,6 +56,18 @@ case class ShuffleBlockId(shuffleId: Int, mapId: Long,
reduceId: Int) extends Bl
override def name: String = "shuffle_" + shuffleId + "_" + mapId + "_" +
reduceId
}
+// The batch id of continuous shuffle blocks of same mapId in range
[startReduceId, endReduceId).
+@DeveloperApi
+case class ShuffleBlockBatchId(
+ shuffleId: Int,
+ mapId: Long,
+ startReduceId: Int,
+ endReduceId: Int) extends BlockId {
+ override def name: String = {
+ "shuffle_" + shuffleId + "_" + mapId + "_" + startReduceId + "_" +
endReduceId
Review comment:
The format will also influence the protocol side. I suggest doing the change
when it needed, within the same patch with extension.
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