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Posted to yarn-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2013/03/21 20:23:15 UTC
[jira] [Updated] (YARN-493) NodeManager job control logic flaws on
Windows
[ https://issues.apache.org/jira/browse/YARN-493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Nauroth updated YARN-493:
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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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