Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/2366#discussion_r18200286
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -111,6 +112,9 @@ private[spark] class BlockManager(
MetadataCleanerType.BLOCK_MANAGER, this.dropOldNonBroadcastBlocks,
conf)
private val broadcastCleaner = new MetadataCleaner(
MetadataCleanerType.BROADCAST_VARS, this.dropOldBroadcastBlocks, conf)
+ @volatile private var cachedPeers: Seq[BlockManagerId] = _
--- End diff --
Good idea. Should have done that myself.
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