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Posted to issues@spark.apache.org by "Sean R. Owen (Jira)" <ji...@apache.org> on 2019/10/26 23:11:00 UTC
[jira] [Resolved] (SPARK-28230) Fix Spark Streaming gracefully
shutdown on Hadopp 2.8.x
[ https://issues.apache.org/jira/browse/SPARK-28230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean R. Owen resolved SPARK-28230.
----------------------------------
Resolution: Not A Problem
> Fix Spark Streaming gracefully shutdown on Hadopp 2.8.x
> -------------------------------------------------------
>
> Key: SPARK-28230
> URL: https://issues.apache.org/jira/browse/SPARK-28230
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, Structured Streaming
> Affects Versions: 2.4.3
> Reporter: Burak KÖSE
> Priority: Minor
>
> Gracefully shutdown is not properly working on Hadoop 2.8.x. Hadoop introduces 10 seconds timeout by default. This is hardcoded and not something that we can configure with Hadoop settings.
>
> [https://github.com/apache/hadoop/blob/branch-2.8.5/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ShutdownHookManager.java#L51]
>
> However, if we use
>
> {code:java}
> public void addShutdownHook(Runnable shutdownHook, int priority, long timeout, TimeUnit unit){code}
>
> in [https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/util/ShutdownHookManager.scala#L180|https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/util/ShutdownHookManager.scala#L180,]
> problem might be solved.
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