Deegue commented on a change in pull request #24740: [SPARK-27876][CORE] Split
large shuffle partition to multi-segments to enable transfer oversize shuffle
partition block
URL: https://github.com/apache/spark/pull/24740#discussion_r308045229
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File path:
core/src/main/scala/org/apache/spark/network/netty/NettyBlockRpcServer.scala
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@@ -64,10 +64,22 @@ class NettyBlockRpcServer(
responseContext.onSuccess(new StreamHandle(streamId,
blocksNum).toByteBuffer)
case fetchShuffleBlocks: FetchShuffleBlocks =>
+ val shuffleFetchSplit = fetchShuffleBlocks.shuffleFetchSplit;
val blocks = fetchShuffleBlocks.mapIds.zipWithIndex.flatMap { case
(mapId, index) =>
- fetchShuffleBlocks.reduceIds.apply(index).map { reduceId =>
- blockManager.getBlockData(
- ShuffleBlockId(fetchShuffleBlocks.shuffleId, mapId, reduceId))
+ if (shuffleFetchSplit) {
Review comment:
Redundant for `shuffleFetchSplit`?
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