[HADOOP-476] Streaming should check for correctness of the task

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Assignee: Arun Murthy
• Reporter: arkady borkovsky
• Created: 24/Aug/06 21:32
• Updated: 08/Jul/09 17:05
• Resolved: 13/Feb/07 19:12

Description

Currently, if anythin is wrong with streaming job, it dies without any explanation.

Before creating and running actual MapReduce job, Streaming should check if:

– the executables (or scripts) for -mapper and -reducer are available and have right permissions
– the input fragments exist