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

[Karam Singh (JIRA)]

For script option hod should exit with distinguishable exit codes for script 
code and hod exit code.
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                 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


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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