[MAPREDUCE-1517] streaming should support running on background

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Fix Version/s: 0.22.0
• Component/s: contrib/streaming
• Hadoop Flags: Reviewed
• Release Note: Adds -background option to run a streaming job in background.
• Assignee: Bochun Bai
• Reporter: Bochun Bai
• Created: 21/Feb/10 06:01
• Updated: 12/Dec/11 06:19
• Resolved: 28/Sep/10 08:19

Description

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.