dongjoon-hyun commented on a change in pull request #27306: [SPARK-30594][CORE]
Do not post SparkListenerBlockUpdated when updateBlockInfo returns false
URL: https://github.com/apache/spark/pull/27306#discussion_r369374777
##########
File path:
core/src/main/scala/org/apache/spark/storage/BlockManagerMasterEndpoint.scala
##########
@@ -98,8 +98,15 @@ class BlockManagerMasterEndpoint(
case _updateBlockInfo @
UpdateBlockInfo(blockManagerId, blockId, storageLevel,
deserializedSize, size) =>
- context.reply(updateBlockInfo(blockManagerId, blockId, storageLevel,
deserializedSize, size))
-
listenerBus.post(SparkListenerBlockUpdated(BlockUpdatedInfo(_updateBlockInfo)))
+ val succeed = updateBlockInfo(blockManagerId, blockId, storageLevel,
deserializedSize, size)
+ context.reply(succeed)
+ // SPARK-30594: we should not post `SparkListenerBlockUpdated` when
updateBlockInfo
+ // returns false, which may causes negative memory usage in UI(see
SPARK-30465). In
Review comment:
I understand the intention, but shall we avoid claiming `SPARK-30465`
because this PR doesn't provide validation for that?
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