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From "Bochun Bai (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1517) streaming should support running on background
Date Sun, 21 Feb 2010 06:08:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bochun Bai updated MAPREDUCE-1517:
----------------------------------

    Release Note: There is no new test for this patch, this only changes the control progress.
          Status: Patch Available  (was: Open)

> streaming should support running on background
> ----------------------------------------------
>
>                 Key: MAPREDUCE-1517
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1517
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: contrib/streaming
>            Reporter: Bochun Bai
>         Attachments: contrib-streaming-background.patch
>
>
> StreamJob submit the job and use a while loop monitor the progress.
> I prefer it running on background.
> Just add "&" at the end of command is a alternative solution, but it keeps a java
process on client machine.
> When submit hundreds jobs at the same time, the client machine is overloaded.
> Adding a -background option to StreamJob, tell it only submit and don't monitor the progress.

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