[MAPREDUCE-322] TaskTracker shuold run user tasks nicely in the local machine

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Assignee: Unassigned
• Reporter: Tsz-wo Sze
• Created: 22/Apr/09 23:49
• Updated: 19/Mar/15 15:58
• Resolved: 22/Jul/14 18:59

Description

If one task tried to use all CPUs in a local machine, all other tasks or processes (includes tasktracker and datanode daemons) may hardly get a chance to run.