zhouyejoe commented on a change in pull request #32007:
URL: https://github.com/apache/spark/pull/32007#discussion_r614589850
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File path: core/src/main/scala/org/apache/spark/storage/BlockId.scala
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@@ -87,6 +87,29 @@ case class ShufflePushBlockId(shuffleId: Int, mapIndex: Int,
reduceId: Int) exte
override def name: String = "shufflePush_" + shuffleId + "_" + mapIndex +
"_" + reduceId
}
+@DeveloperApi
+case class ShuffleMergedBlockId(appId: String, shuffleId: Int, reduceId: Int)
extends BlockId {
+ override def name: String = "mergedShuffle_" + appId + "_" + shuffleId + "_"
+ reduceId + ".data"
+}
+
+@DeveloperApi
+case class ShuffleMergedIndexBlockId(
+ appId: String,
+ shuffleId: Int,
+ reduceId: Int) extends BlockId {
+ override def name: String =
+ "mergedShuffle_" + appId + "_" + shuffleId + "_" + reduceId + ".index"
Review comment:
This should be sufficient as there would be only one attempt running at
the same time. If one attempt fails to run, the local directories will be
removed. So even though different attempts are using the same tmp path, it
won't be problematic.
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