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Posted to mapreduce-issues@hadoop.apache.org by "Ramkumar Vadali (JIRA)" <ji...@apache.org> on 2010/07/21 06:49:50 UTC

[jira] Updated: (MAPREDUCE-1668) RaidNode should only Har a directory if all its parity files have been created

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

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

    Attachment: MAPREDUCE-1668.patch

> 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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