cloud-fan commented on a change in pull request #19788: [SPARK-9853][Core]
Optimize shuffle fetch of contiguous partition IDs
URL: https://github.com/apache/spark/pull/19788#discussion_r242539103
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File path:
core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
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@@ -550,8 +550,14 @@ final class ShuffleBlockFetcherIterator(
private def throwFetchFailedException(blockId: BlockId, address:
BlockManagerId, e: Throwable) = {
blockId match {
- case ShuffleBlockId(shufId, mapId, reduceId) =>
- throw new FetchFailedException(address, shufId.toInt, mapId.toInt,
reduceId, e)
+ case blockId: ContinuousShuffleBlockId =>
+ val message = "If external shuffle service is lower than 3.0, " +
+ "please update it or set spark.shuffle.continuousBlockBatchFetch
false"
Review comment:
set xxx=false
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