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https://issues.apache.org/jira/browse/YARN-5714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Remi Catherinot updated YARN-5714:
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Attachment: YARN-5714.004.patch
missed one last whitespace at EOL
> ContainerExecutor does not order environment map
> ------------------------------------------------
>
> Key: YARN-5714
> URL: https://issues.apache.org/jira/browse/YARN-5714
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.4.1, 2.5.2, 2.7.3, 2.6.4, 3.0.0-alpha1
> Environment: all (linux and windows alike)
> Reporter: Remi Catherinot
> Assignee: Remi Catherinot
> Priority: Trivial
> Attachments: YARN-5714.001.patch, YARN-5714.002.patch,
> YARN-5714.003.patch, YARN-5714.004.patch
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> when dumping the launch container script, environment variables are dumped
> based on the order internally used by the map implementation (hash based). It
> does not take into consideration that some env varibales may refer each
> other, and so that some env variables must be declared before those
> referencing them.
> In my case, i ended up having LD_LIBRARY_PATH which was depending on
> HADOOP_COMMON_HOME being dumped before HADOOP_COMMON_HOME. Thus it had a
> wrong value and so native libraries weren't loaded. jobs were running but not
> at their best efficiency. This is just a use case falling into that bug, but
> i'm sure others may happen as well.
> I already have a patch running in my production environment, i just estimate
> to 5 days for packaging the patch in the right fashion for JIRA + try my best
> to add tests.
> Note : the patch is not OS aware with a default empty implementation. I will
> only implement the unix version on a 1st release. I'm not used to windows env
> variables syntax so it will take me more time/research for it.
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