[MAPREDUCE-2080] Reducer JVM process hangs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.20.2
• Component/s: tasktracker
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 19/Sep/10 21:31
• Updated: 31/Jul/14 00:00
• Resolved: 31/Jul/14 00:00

Description

We use cdh3b2

After reducer took more than 600 seconds to report to tasktracker, tasktracker tried to kill it.
However reducer JVM process hung.

Attaching stack trace of reducer.