ivoson commented on code in PR #39459:
URL: https://github.com/apache/spark/pull/39459#discussion_r1090483687
##########
core/src/main/scala/org/apache/spark/storage/BlockManager.scala:
##########
@@ -1424,6 +1457,16 @@ private[spark] class BlockManager(
blockStoreUpdater.save()
}
+ // Check whether a rdd block is visible or not.
+ private[spark] def isRDDBlockVisible(blockId: RDDBlockId): Boolean = {
+ // If the rdd block visibility information not available in the block
manager,
+ // asking master for the information.
+ if (blockInfoManager.isRDDBlockVisible(blockId)) {
+ return true
+ }
+ master.isRDDBlockVisible(blockId)
Review Comment:
Yes, I've thought about this. Then we will add a mechanism to clean the
cache. Let me re-think about this.
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