Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/6508#discussion_r31841328
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -443,9 +449,23 @@ private[spark] class ExecutorAllocationManager(
private def onExecutorIdle(executorId: String): Unit = synchronized {
if (executorIds.contains(executorId)) {
if (!removeTimes.contains(executorId) &&
!executorsPendingToRemove.contains(executorId)) {
+
+ val hasCachedBlocks =
sparkEnv.blockManager.master.hasCachedBlocks(executorId)
--- End diff --
can you also add:
```
// Note that it is not necessary to query the executors since all the cached
// blocks we are concerned with are reported to the driver. Note that this
// does not include broadcast blocks.
```
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