[HADOOP-975] Separation of user tasks' stdout and stderr streams

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Assignee: Arun Murthy
• Reporter: Arun Murthy
• Created: 05/Feb/07 17:58
• Updated: 08/Jul/09 16:52
• Resolved: 07/Feb/07 20:35

Description

Today both the stdout and stderr of the task's vm are sent to the same file is ${hadoop.log.dir}/userlogs; it would be very useful to separate them out for both viewing via the tasklog.jsp and to send them back independently for HADOOP-977.

Issue Links

• blocks: HADOOP-805 JobClient should print the Task's stdout and stderr to the clients console
• blocks: HADOOP-977 The output from the user's task should be tagged and sent to the resepective console streams.