viirya commented on a change in pull request #30492:
URL: https://github.com/apache/spark/pull/30492#discussion_r531163858
##########
File path:
core/src/main/scala/org/apache/spark/storage/BlockManagerDecommissioner.scala
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@@ -114,6 +115,8 @@ private[storage] class BlockManagerDecommissioner(
// driver a no longer referenced RDD with shuffle files.
if
(bm.migratableResolver.getMigrationBlocks(shuffleBlockInfo).isEmpty) {
logWarning(s"Skipping block ${shuffleBlockInfo}, block
deleted.")
+ } else if (fallbackStorage.isDefined) {
+ fallbackStorage.foreach(_.copy(shuffleBlockInfo, bm))
Review comment:
Oh I see. You only put fallback storage into peers when there is no
other peer executors.
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