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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12364) Deleting pid file after stop is causing the daemons to keep restarting
Date Mon, 05 Oct 2015 19:43:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14943907#comment-14943907
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Allen Wittenauer commented on HADOOP-12364:
-------------------------------------------

a) This patch needs to get updated for trunk.
b) using single brackets in bash is bad
c) using single quote shellouts is deprecated


> 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
>            Assignee: Siqi Li
>            Priority: Minor
>         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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