Github user viper-kun commented on a diff in the pull request:
https://github.com/apache/spark/pull/5178#discussion_r27193887
--- Diff:
core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
---
@@ -181,68 +181,100 @@ final class ShuffleBlockFetcherIterator(
// at most maxBytesInFlight in order to limit the amount of data in
flight.
val remoteRequests = new ArrayBuffer[FetchRequest]
+ val shuffleMgrName = SparkEnv.get.conf.get("spark.shuffle.manager",
"sort")
+
// Tracks total number of blocks (including zero sized blocks)
var totalBlocks = 0
- for ((address, blockInfos) <- blocksByAddress) {
- totalBlocks += blockInfos.size
- if (address.executorId == blockManager.blockManagerId.executorId) {
- // Filter out zero-sized blocks
- localBlocks ++= blockInfos.filter(_._2 != 0).map(_._1)
- numBlocksToFetch += localBlocks.size
- } else {
- val iterator = blockInfos.iterator
- var curRequestSize = 0L
- var curBlocks = new ArrayBuffer[(BlockId, Long)]
- while (iterator.hasNext) {
- val (blockId, size) = iterator.next()
- // Skip empty blocks
- if (size > 0) {
- curBlocks += ((blockId, size))
- remoteBlocks += blockId
- numBlocksToFetch += 1
- curRequestSize += size
- } else if (size < 0) {
- throw new BlockException(blockId, "Negative block size " +
size)
- }
- if (curRequestSize >= targetRequestSize) {
- // Add this FetchRequest
- remoteRequests += new FetchRequest(address, curBlocks)
- curBlocks = new ArrayBuffer[(BlockId, Long)]
- logDebug(s"Creating fetch request of $curRequestSize at
$address")
- curRequestSize = 0
- }
+ if(shuffleMgrName == "hash") {
--- End diff --
what are you meansï¼how to specify the full pathï¼
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