[HADOOP-4906] TaskTracker running out of memory after running several tasks

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.19.0
• Fix Version/s: 0.19.1
• Release Note: Fix the tasktracker for OOM exception by sharing the jobconf properties across tasks of the same job. Earlier a new instance was held for each task. With this fix, the job level configuration properties are shared across tasks of the same job.
• Assignee: Sharad Agarwal
• Reporter: Arun Murthy
• Created: 17/Dec/08 19:15
• Updated: 08/Jul/09 16:53
• Resolved: 16/Jan/09 00:35

Description

Looks like the TaskTracker isn't cleaning up correctly after completed/failed tasks, I suspect that the JobConfs aren't being deallocated. Eventually the TaskTracker runs out of memory after running several tasks.