Github user harishreedharan commented on a diff in the pull request:
https://github.com/apache/spark/pull/6508#discussion_r31594720
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -443,9 +466,27 @@ private[spark] class ExecutorAllocationManager(
private def onExecutorIdle(executorId: String): Unit = synchronized {
if (executorIds.contains(executorId)) {
if (!removeTimes.contains(executorId) &&
!executorsPendingToRemove.contains(executorId)) {
+
+ val hasCachedBlocks =
+ executorsWithCachedBlocks.contains(executorId) ||
+
executorEndpoints.get(executorId).exists(_.askWithRetry[Boolean](HasCachedBlocks))
+
+ if (hasCachedBlocks) executorsWithCachedBlocks += executorId
--- End diff --
Right. For broadcast blocks, we don't tell master which is fine, since we
won't bother about broadcast blocks being cached.
Thanks @lianhuiwang, @andrewor14 and @vanzin !
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