cloud-fan commented on a change in pull request #26434: [SPARK-29544] [SQL]
optimize skewed partition based on data size
URL: https://github.com/apache/spark/pull/26434#discussion_r365079213
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -811,17 +816,16 @@ private[spark] class MapOutputTrackerWorker(conf:
SparkConf) extends MapOutputTr
}
}
- override def getMapSizesByMapIndex(
+ override def getMapSizesByRange(
shuffleId: Int,
- mapIndex: Int,
+ startMapIndex: Int,
+ endMapIndex: Int,
startPartition: Int,
endPartition: Int): Iterator[(BlockManagerId, Seq[(BlockId, Long,
Int)])] = {
- logDebug(s"Fetching outputs for shuffle $shuffleId, mapIndex $mapIndex" +
Review comment:
can we bring back this as well?
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