xinglin commented on code in PR #38832:
URL: https://github.com/apache/spark/pull/38832#discussion_r1036211437
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resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala:
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@@ -240,6 +240,9 @@ private[spark] class ApplicationMaster(
logInfo("ApplicationAttemptId: " + appAttemptId)
+ // During shutdown, we may not be able to create an FileSystem object.
So, pre-create here.
+ val stagingDirPath = new Path(System.getenv("SPARK_YARN_STAGING_DIR"))
+ val stagingDirFs = stagingDirPath.getFileSystem(yarnConf)
Review Comment:
Hi @srowen,
let me take a look at addressing the possible leak. Ideally when
ShutdownManager executes each shutdownhook, it should automatically remove
their references. But that does not seem to be the case right now.
Mark this PR as WIP until we address/have a proposal for this concern.
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