[jira] Updated: (HADOOP-2796) For script option hod should exit with distinguishable exit codes for script code and hod exit code.

["Hemanth Yamijala (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-2796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hemanth Yamijala updated HADOOP-2796:
-------------------------------------

    Release Note: A provision to reliably detect a failing script's exit code was added. In case the hod script option returned a non-zero exit code, users can now look for a 'script.exitcode' file written to the HOD cluster directory. If this file is present, it means the script failed with the returned exit code.
    Hadoop Flags: [Reviewed]

> For script option hod should exit with distinguishable exit codes for script code and hod exit code.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2796
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2796
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/hod
>    Affects Versions: 0.16.0
>            Reporter: Karam Singh
>            Assignee: Hemanth Yamijala
>             Fix For: 0.17.0
>
>         Attachments: 2796.1.patch, 2796.patch
>
>
> For hod script option, the exit code should distinguishable between hod exit code and script exit code.
> e.g.
> If script command contains the streaming command at end and that fails due to input path not found, its value exit cod will 5 which overlaps with hod exit code 5 which means "job execution failure"
> It would hod throws some distinguishable exit codes 
> e.g
> For above examples 64 +5 =69 and we should this to get exact exit code of hod script command user should subtract 64 from exit code 

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