[TEZ-1449] Change user payloads to work with a byte buffer

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Target Version/s: 0.5.0
• Hadoop Flags: Incompatible change, Reviewed
• Assignee: Siddharth Seth
• Reporter: Siddharth Seth
• Created: 18/Aug/14 22:45
• Updated: 06/Sep/14 01:35
• Resolved: 20/Aug/14 00:39

Description

From discussions with Bikas Saha and Gopal Vijayaraghavan - we should move the events to use bytebuffers as well.

• This is where excessive copying can be avoided once we move to PB based RPC (or to other libraries which rely on nio)
• Future proofing the API