[jira] Updated: (MAPREDUCE-2042) InputFormat#getSplits() is called twice in local mode

["Owen O'Malley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley updated MAPREDUCE-2042:
-------------------------------------

    Fix Version/s:     (was: 0.20.3)

> InputFormat#getSplits() is called twice in local mode
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-2042
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2042
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: job submission
>    Affects Versions: 0.20.1, 0.20.2
>            Reporter: Johannes Zillmann
>         Attachments: MAPREDUCE-2042.patch
>
>
> In local mode the InputFormat#getSplits() is called twice in local mode.
> - 1st time: JobClient#writeOld/NewSplits() (then they write the splits to disk )
> - 2nd time: LocalJobRunner#run() (instead of reading the split file )
> That can become annoying in case the InputFormat access external resources or takes a little longer to create the splits.

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