weixiuli commented on code in PR #36141:
URL: https://github.com/apache/spark/pull/36141#discussion_r850056151
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core/src/main/scala/org/apache/spark/shuffle/ShuffleBlockPusher.scala:
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@@ -142,7 +142,7 @@ private[spark] class ShuffleBlockPusher(conf: SparkConf)
extends Logging {
* VisibleForTesting
*/
protected def submitTask(task: Runnable): Unit = {
- if (BLOCK_PUSHER_POOL != null) {
+ if (BLOCK_PUSHER_POOL != null && !BLOCK_PUSHER_POOL.isShutdown) {
Review Comment:
The `tryPushUpToMax` may not be able to catch the
`RejectedExecutionException`, right ? @otterc Because, the `tryPushUpToMax`
might be not called if the BLOCK_PUSHER_POOL has been shutted down.
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