ivoson commented on code in PR #39459:
URL: https://github.com/apache/spark/pull/39459#discussion_r1118013777
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core/src/main/scala/org/apache/spark/storage/BlockManagerMasterEndpoint.scala:
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@@ -728,7 +800,22 @@ class BlockManagerMasterEndpoint(
}
if (storageLevel.isValid) {
+ val firstBlock = locations.isEmpty
locations.add(blockManagerId)
+
+ blockId.asRDDId.foreach { rddBlockId =>
+ (trackingCacheVisibility, firstBlock) match {
+ case (true, true) =>
+ // Mark as invisible for the first block.
+ invisibleRDDBlocks.add(rddBlockId)
+ case (true, false) if !invisibleRDDBlocks.contains(rddBlockId) =>
+ // If the rdd block is already visible, ask storage manager to
update the visibility
+ // status.
+ blockManagerInfo(blockManagerId).storageEndpoint
+ .ask[Unit](MarkRDDBlockAsVisible(rddBlockId))
Review Comment:
> So ensure that the replica is also marked as visible, right ?
Yes, this is one scenario. Another scenario is that once a task failed
fetching the cached block from remote executor, it'll compute and cache the
block again.
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