[MAPREDUCE-1025] Subprocesses of tasks should be killed even if mapred.userlog.limit.kb is set to a positive value when setsid is used for launching tasks

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.21.0, 0.22.0
• Component/s: tasktracker
• Assignee: Ravi Gummadi
• Reporter: Ravi Gummadi
• Created: 22/Sep/09 10:20
• Updated: 13/Jan/11 02:27

Description

setsid is to be used when launching tasks even when the deprecated mapred.userlog.limit.kb(or the new mapreduce.task.userlog.limit.kb) is set to a positive value — sothat subprocesses of tasks get killed properly.

Issue Links

• is blocked by: MAPREDUCE-1057 java tasks are not honouring the value of mapred.userlog.limit.kb