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https://issues.apache.org/jira/browse/HADOOP-12364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14724344#comment-14724344
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Allen Wittenauer commented on HADOOP-12364:
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A bug, but it's worth pointing out that this also sounds like a
misconfiguration of HADOOP_SLEEP_TIMEOUT for your installation. Whatever is
restarting it should *also* wait HADOOP_SLEEP_TIMEOUT before doing that.
> Deleting pid file after stop is causing the daemons to keep restarting
> -----------------------------------------------------------------------
>
> Key: HADOOP-12364
> URL: https://issues.apache.org/jira/browse/HADOOP-12364
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Siqi Li
> Priority: Blocker
> Attachments: HADOOP-12364.v1.patch
>
>
> pid files are deleting in 5 seconds after we stop the daemons. If a start
> command were executed within the 5 seconds, the pid file will be overwrite
> with a new pid. However, this pid file is going to be deleted by the former
> stop command. This is causing the monitoring service to lose track of the
> daemons, hence keep rebooting them
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