attilapiros commented on a change in pull request #24499: [SPARK-27677][Core]
Serve local disk persisted blocks by the external service after releasing
executor by dynamic allocation
URL: https://github.com/apache/spark/pull/24499#discussion_r285779169
##########
File path:
core/src/main/scala/org/apache/spark/storage/BlockManagerMasterEndpoint.scala
##########
@@ -149,29 +162,70 @@ class BlockManagerMasterEndpoint(
// First remove the metadata for the given RDD, and then asynchronously
remove the blocks
// from the slaves.
+ // The message sent to the slaves to remove the RDD
+ val removeMsg = RemoveRdd(rddId)
+
// Find all blocks for the given RDD, remove the block from both
blockLocations and
- // the blockManagerInfo that is tracking the blocks.
+ // the blockManagerInfo that is tracking the blocks and create the futures
which asynchronously
+ // remove the blocks from slaves and gives back the number of removed
blocks
val blocks = blockLocations.asScala.keys.flatMap(_.asRDDId).filter(_.rddId
== rddId)
+ val blocksToDeleteByShuffleService =
+ new mutable.HashMap[BlockManagerId, mutable.HashSet[RDDBlockId]]
+
blocks.foreach { blockId =>
- val bms: mutable.HashSet[BlockManagerId] = blockLocations.get(blockId)
- bms.foreach(bm =>
blockManagerInfo.get(bm).foreach(_.removeBlock(blockId)))
- blockLocations.remove(blockId)
+ val bms: mutable.HashSet[BlockManagerId] = blockLocations.remove(blockId)
+
+ val (bmIdExtShuffle, bmIdExecutor) = bms.partition(_.port ==
externalShuffleServicePort)
+ if (bmIdExecutor.isEmpty && bmIdExtShuffle.nonEmpty) {
Review comment:
Actually there is a better fix for this problem: the cleanup should be done
via Shuffle Service if there is no live executor for it.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
