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Posted to mapreduce-dev@hadoop.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2011/03/30 03:24:05 UTC

[jira] [Created] (MAPREDUCE-2409) Distributed Cache does not differentiate between file /archive for files with the same path

Distributed Cache does not differentiate between file /archive for files with the same path
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                 Key: MAPREDUCE-2409
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2409
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: distributed-cache
    Affects Versions: 0.20.203.0, 0.20.203.1
            Reporter: Siddharth Seth
            Assignee: Siddharth Seth
             Fix For: 0.20.204


If a 'global' file is specified as a 'file' by one job - subsequent jobs cannot override this source file to be an 'archive' (until the TT cleans up it's cache or a TT restart).
The other way around as well -> 'archive' to 'file'

In case of an accidental submission using the wrong type - some of the tasks for the second job will end up seeing the source file as an archive, others as a file.

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