[HADOOP-4190] Changes to JobHistory makes it backward incompatible

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.19.0
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: Changed job history format to add a dot at end of each line.
• Assignee: Amar Kamat
• Reporter: Amar Kamat
• Created: 16/Sep/08 14:57
• Updated: 08/Jul/09 16:53
• Resolved: 29/Sep/08 08:50

Description

With HADOOP-3245, the job history format has changed. Every log line now ends with a '.' (dot). JobHistory's parser will consider a history line valid only if it ends in a dot
Hence the new parser wont be able to parse old history files.