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Posted to mapreduce-issues@hadoop.apache.org by "Gera Shegalov (JIRA)" <ji...@apache.org> on 2012/12/14 07:40:12 UTC

[jira] [Updated] (MAPREDUCE-4879) TeraOutputFormat may overwrite an existing output directory

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gera Shegalov updated MAPREDUCE-4879:
-------------------------------------

    Attachment: MAPREDUCE-4879-trunk.patch

Patch for review.
                
> TeraOutputFormat may overwrite an existing output directory
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-4879
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4879
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: examples
>    Affects Versions: trunk
>            Reporter: Gera Shegalov
>         Attachments: MAPREDUCE-4879-trunk.patch
>
>
> Unlike FileOutputFormat, TeraOutputFormat does not prevent TeraGen/Sort jobs from writing into an existing directory, and potentially overwriting previous runs.

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