Github user sharkdtu commented on a diff in the pull request: https://github.com/apache/spark/pull/21658#discussion_r200310184 --- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala --- @@ -1569,7 +1569,7 @@ private[spark] object BlockManager { val blockManagers = new HashMap[BlockId, Seq[String]] for (i <- 0 until blockIds.length) { - blockManagers(blockIds(i)) = blockLocations(i).map(_.host) + blockManagers(blockIds(i)) = blockLocations(i).map(b => s"executor_${b.host}_${b.executorId}") --- End diff -- blockIdsToLocations ?
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