[MAPREDUCE-2427] JT should ensure history directory is a directory

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.20.2
• Component/s: jobtracker
• Assignee: Unassigned
• Reporter: Eric Sammer
• Created: 08/Apr/11 16:55
• Updated: 09/Mar/15 21:32
• Resolved: 09/Mar/15 21:32

Description

If the JT history directory doesn't exist or isn't a directory retired job files are renamed to a file called 'history' and eventually start overwriting each other. The JT should ensure 'history' exists and is a directory before performing the move.