[HADOOP-3626] map/reduce clients should not access the system dir directly

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Assignee: Unassigned
• Reporter: Owen O'Malley
• Created: 24/Jun/08 06:38
• Updated: 08/Jul/09 16:52
• Resolved: 24/Jun/08 07:01

Description

Map/Reduce's use of the system directory with clients creating directories and files directly is very insecure. We should change the job client to create a staging directory in the user's home directory on the same file system as the system directory.