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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1517) streaming should support running on background
Date Mon, 27 Sep 2010 05:02:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915117#action_12915117
] 

Amareshwari Sriramadasu commented on MAPREDUCE-1517:
----------------------------------------------------

Can you add apache license headers for src test files, both TestStreamingBackground.java and
DelayEchoApp.java? You can copy it from any other src file. Then, you won't see release audit
warnings.

> 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-with-test.patch, contrib-streaming-background.patch,
contrib-streaming-background.patch, hadoop-mapred-patch-logs.tar.gz
>
>
> 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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