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From "Ramkumar Vadali (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1668) RaidNode should only Har a directory if all its parity files have been created
Date Wed, 04 Aug 2010 03:29:18 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ramkumar Vadali updated MAPREDUCE-1668:
---------------------------------------

    Status: Open  (was: Patch Available)

> RaidNode should only Har a directory if all its parity files have been created
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1668
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1668
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/raid
>    Affects Versions: 0.22.0
>            Reporter: Rodrigo Schmidt
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1668.patch
>
>
> In the current code, it can happen that a directory will be Archived (Har'ed) before
all its parity files have been generated since parity file generation is not atomic. We should
verify if all the parity files are present before Archiving a directory.

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