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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3871) Allow symlinking in LocalJobRunner DistributedCache
Date Thu, 26 Apr 2012 21:38:50 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tom White updated MAPREDUCE-3871:
---------------------------------

    Attachment: MAPREDUCE-3871.patch

Small change to add a negative test for files that should not be symlinked (check that no
symlink is present).
                
> Allow symlinking in LocalJobRunner DistributedCache
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-3871
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3871
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: distributed-cache
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: MAPREDUCE-3871.patch, MAPREDUCE-3871.patch
>
>
> Currently the LocalJobRunner doesn't create symlinks for files in the DistributedCache.
It is safe to create symlinks if files of the same name don't exist. LocalJobRunner should
also delete the symlinks when the job has completed.

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