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From "Bochun Bai (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1517) streaming should support running on background
Date Wed, 24 Feb 2010 05:45:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837637#action_12837637

Bochun Bai commented on MAPREDUCE-1517:

Allen: the default behavior remains unchanged.
Two tests failed:
 org.apache.hadoop.mapred.TestDebugScript.testDebugScript  (from TestDebugScript) 
Timeout occurred. Please note the time in the report does not reflect the time until the timeout.

 org.apache.hadoop.mapred.TestMiniMRLocalFS.testWithLocal  (from TestMiniMRLocalFS) 
It seems problem of trunk, MAPREDUCE-1510 also failed with the same message.

Should I resume the progress and make hudson test it again?

> 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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