[MAPREDUCE-4879] TeraOutputFormat may overwrite an existing output directory

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.1, 2.6.0
• Fix Version/s: 2.7.0
• Component/s: examples
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Gera Shegalov
• Reporter: Gera Shegalov
• Created: 14/Dec/12 06:32
• Updated: 10/Apr/15 20:19
• Resolved: 14/Dec/14 02:15

Description

Unlike FileOutputFormat, TeraOutputFormat does not prevent TeraGen/Sort jobs from writing into an existing directory, and potentially overwriting previous runs.

Issue Links

• is duplicated by: MAPREDUCE-5911 Terasort TeraOutputFormat does not check for output directory existance