Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/860#discussion_r13029354
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -329,8 +329,21 @@ private[spark] class BlockManager(
* never deletes (recent) items.
*/
def getLocalFromDisk(blockId: BlockId, serializer: Serializer):
Option[Iterator[Any]] = {
- diskStore.getValues(blockId, serializer).orElse(
- sys.error("Block " + blockId + " not found on disk, though it should
be"))
+ class LazyProxyIterator(f: => Iterator[Any]) extends Iterator[Any] {
--- End diff --
Do you mind adding some inline comment on why we are doing this? (basically
your pull request description)
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