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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-1517) streaming should support running on background
Date Tue, 28 Sep 2010 08:21:36 GMT

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

Amareshwari Sriramadasu resolved MAPREDUCE-1517.

     Hadoop Flags: [Reviewed]
     Release Note: Adds -background option to run a streaming job in background.  (was: There
is no new test for this patch, this only changes the control progress.)
    Fix Version/s: 0.22.0
       Resolution: Fixed

All the tests passed with the patch.

I just committed this. Thanks Bochun !

> 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
>             Fix For: 0.22.0
>         Attachments: contrib-streaming-background-with-test-with-license.patch, contrib-streaming-background-with-test-with-license2.patch,
contrib-streaming-background-with-test.patch, contrib-streaming-background.patch, 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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