Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1499#discussion_r15603895
--- Diff:
core/src/main/scala/org/apache/spark/storage/ShuffleBlockManager.scala ---
@@ -91,6 +97,20 @@ class ShuffleBlockManager(blockManager: BlockManager)
extends Logging {
private val metadataCleaner =
new MetadataCleaner(MetadataCleanerType.SHUFFLE_BLOCK_MANAGER,
this.cleanup, conf)
+ /**
+ * Register a completed map without getting a ShuffleWriterGroup. Used
by sort-based shuffle
+ * because it just writes a single file by itself.
+ */
+ def addCompletedMap(shuffleId: Int, mapId: Int, numBuckets: Int): Unit =
{
+ shuffleStates.putIfAbsent(shuffleId, new ShuffleState(numBuckets))
--- End diff --
Yeah IMO we should open a JIRA to fix this later. It's only called once per
map task but it is kind of wasteful.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
