Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/18076#discussion_r118139724
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -713,8 +718,15 @@ private[spark] class BlockManager(
/**
* Release a lock on the given block.
*/
- def releaseLock(blockId: BlockId): Unit = {
- blockInfoManager.unlock(blockId)
+ def releaseLock(blockId: BlockId): Unit = releaseLock(blockId,
taskAttemptId = None)
--- End diff --
In fact `BlockManager` extends `BlockDataManager`, so it have to override
the `releaseLock(blockId: BlockId)` method, thus we keep this and implement a
new method that accepts the new argument `taskAttemptId`.
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