Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19476#discussion_r144855916
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -653,15 +663,34 @@ private[spark] class BlockManager(
require(blockId != null, "BlockId is null")
var runningFailureCount = 0
var totalFailureCount = 0
- val locations = getLocations(blockId)
+
+ // Because all the remote blocks are registered in driver, so it is
not necessary to ask
--- End diff --
nit: `so` is not needed.
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