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Posted to common-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/10/05 21:43:27 UTC

[jira] [Commented] (HADOOP-12364) Deleting pid file after stop is causing the daemons to keep restarting

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

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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