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https://issues.apache.org/jira/browse/MAPREDUCE-6369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550944#comment-14550944
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Jason Lowe commented on MAPREDUCE-6369:
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Ignoring dependencies due to unit tests, the dependency occurs in the
ShuffleHandler which runs inside the nodemanager as an auxiliary service. The
ShuffleHandler is looking for ContainerLocalizer.USERCACHE and
ContainerLocalizer.APPCACHE to help locate where the files are on disk. These
constants could be moved to the yarn API package or we could add a mechanism
for aux services to obtain the application-specific local storage directories
at runtime from the nodemanager.
> MR compile shouldn't depend on nodemanager
> ------------------------------------------
>
> Key: MAPREDUCE-6369
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6369
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Karthik Kambatla
>
> Dependency analysis shows MR depends on nodemanager. If possible, MR
> shouldn't depend on any yarn-server APIs at all. This might require some
> changes in Yarn.
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