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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/17 19:57:04 UTC

[jira] [Resolved] (MAPREDUCE-428) Reducers reported completion % is generally incorrect when consuming compressed map outputs

     [ https://issues.apache.org/jira/browse/MAPREDUCE-428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-428.
----------------------------------------

    Resolution: Duplicate

> Reducers reported completion % is generally incorrect when consuming compressed map outputs
> -------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-428
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-428
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Riccardo Boscolo
>            Priority: Minor
>
> When processing compressed map outputs, reducers often report over 100% completion (up to 220%). This is regardless of the compression codec and of whether native compression is used or not.



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