cloud-fan commented on a change in pull request #25620: [SPARK-25341][Core]
Support rolling back a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/25620#discussion_r325780392
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File path: core/src/main/scala/org/apache/spark/shuffle/ShuffleManager.scala
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@@ -34,13 +34,11 @@ private[spark] trait ShuffleManager {
*/
def registerShuffle[K, V, C](
shuffleId: Int,
- numMaps: Int,
dependency: ShuffleDependency[K, V, C]): ShuffleHandle
/** Get a writer for a given partition. Called on executors by map tasks. */
def getWriter[K, V](
handle: ShuffleHandle,
- mapId: Int,
Review comment:
As I commented earlier, we should keep it.
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