Kimahriman commented on a change in pull request #35085:
URL: https://github.com/apache/spark/pull/35085#discussion_r828129275
##########
File path:
core/src/main/scala/org/apache/spark/storage/BlockManagerMasterEndpoint.scala
##########
@@ -294,33 +298,74 @@ class BlockManagerMasterEndpoint(
}
}.toSeq
- val removeRddBlockViaExtShuffleServiceFutures =
externalBlockStoreClient.map { shuffleClient =>
- blocksToDeleteByShuffleService.map { case (bmId, blockIds) =>
- Future[Int] {
- val numRemovedBlocks = shuffleClient.removeBlocks(
- bmId.host,
- bmId.port,
- bmId.executorId,
- blockIds.map(_.toString).toArray)
- numRemovedBlocks.get(defaultRpcTimeout.duration.toSeconds,
TimeUnit.SECONDS)
+ val removeRddBlockViaExtShuffleServiceFutures = if
(externalShuffleServiceRddFetchEnabled) {
+ externalBlockStoreClient.map { shuffleClient =>
+ blocksToDeleteByShuffleService.map { case (bmId, blockIds) =>
+ Future[Int] {
+ val numRemovedBlocks = shuffleClient.removeBlocks(
+ bmId.host,
+ bmId.port,
+ bmId.executorId,
+ blockIds.map(_.toString).toArray)
+ numRemovedBlocks.get(defaultRpcTimeout.duration.toSeconds,
TimeUnit.SECONDS)
+ }
}
- }
- }.getOrElse(Seq.empty)
+ }.getOrElse(Seq.empty)
+ } else {
+ Seq.empty
+ }
Future.sequence(removeRddFromExecutorsFutures ++
removeRddBlockViaExtShuffleServiceFutures)
}
private def removeShuffle(shuffleId: Int): Future[Seq[Boolean]] = {
- // Nothing to do in the BlockManagerMasterEndpoint data structures
+ // Find all shuffle blocks on executors that are no longer running
Review comment:
Executors that are still running will get the `RemoveShuffle` message
sent to them and the executor will delete the shuffle files, we only need to
deal with the shuffle data for executors that aren't running anymore.
##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
##########
@@ -659,6 +659,14 @@ package object config {
.booleanConf
.createWithDefault(false)
+ private[spark] val SHUFFLE_SERVICE_REMOVE_SHUFFLE_ENABLED =
+ ConfigBuilder("spark.shuffle.service.removeShuffle")
+ .doc("Whether to use the ExternalShuffleService for deleting shuffle
blocks for " +
+ "deallocated executors.")
Review comment:
Yes everything still operates off the context cleaner removing a
shuffle, I can try to update docs to clarify
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