Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/3001#discussion_r19697595
--- Diff:
core/src/main/scala/org/apache/spark/network/BlockTransferService.scala ---
@@ -60,10 +60,11 @@ abstract class BlockTransferService extends Closeable
with Logging {
* return a future so the underlying implementation can invoke
onBlockFetchSuccess as soon as
* the data of a block is fetched, rather than waiting for all blocks to
be fetched.
*/
- def fetchBlocks(
- hostName: String,
+ override def fetchBlocks(
+ host: String,
port: Int,
- blockIds: Seq[String],
+ execId: String,
--- End diff --
The tricky part here is that "execId" is actually part of the request. I am
fetching Executor 6's blocks, while I am myself Executor 4. So there is no API
that is exposed at a lower layer to transfer the execId.
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