Github user lianhuiwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/1632#discussion_r15573389
--- Diff:
core/src/main/scala/org/apache/spark/storage/BlockFetcherIterator.scala ---
@@ -117,31 +121,45 @@ object BlockFetcherIterator {
})
bytesInFlight += req.size
val sizeMap = req.blocks.toMap // so we can look up the size of
each blockID
- val future = connectionManager.sendMessageReliably(cmId,
blockMessageArray.toBufferMessage)
- future.onSuccess {
- case Some(message) => {
- val bufferMessage = message.asInstanceOf[BufferMessage]
- val blockMessageArray =
BlockMessageArray.fromBufferMessage(bufferMessage)
- for (blockMessage <- blockMessageArray) {
- if (blockMessage.getType != BlockMessage.TYPE_GOT_BLOCK) {
- throw new SparkException(
- "Unexpected message " + blockMessage.getType + " received
from " + cmId)
+
+ val sendRequestThread = new
Thread(s"sendRequestThread(${req.address.host}:${req.address.port})") {
--- End diff --
how about to control the number of connect in a blockfetch. that can reduce
server's connect.
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