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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-493) NodeManager job control logic flaws on Windows
Date Thu, 21 Mar 2013 19:23:15 GMT

     [ https://issues.apache.org/jira/browse/YARN-493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated YARN-493:
-------------------------------

    Description: Both product and test code contain some platform-specific assumptions, such
as availability of bash for executing a command in a container and signals to check existence
of a process and terminate it.  (was: The tests contain some platform-specific assumptions,
such as availability of bash for executing a command in a container and signals to check existence
of a process and terminate it.)
        Summary: NodeManager job control logic flaws on Windows  (was: TestContainerManager
fails on Windows)

I'm expanding the scope of this jira to cover some flaws I've discovered in NodeManager's
job control logic on Windows:

# Windows was erroneously flagged as supporting setsid, which caused prepending of a '-' character
to the job ID passed to winutils.
# Exit code from job terminated by winutils task kill differed from expectations in YARN Java
code, so that it couldn't tell the difference between a killed container vs. a container that
had exited with failure.
# Multiple tests were relying on bash scripts and signals for launching and controlling containers.

I have a patch in progress.  With the expanded scope, the patch will fix the following tests
on Windows: {{TestContainerLaunch}}, {{TestContainerManager}}, and {{TestNodeManagerShutdown}}.

                
> NodeManager job control logic flaws on Windows
> ----------------------------------------------
>
>                 Key: YARN-493
>                 URL: https://issues.apache.org/jira/browse/YARN-493
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 3.0.0
>
>
> Both product and test code contain some platform-specific assumptions, such as availability
of bash for executing a command in a container and signals to check existence of a process
and terminate it.

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