[KAFKA-977] Implement generation/term per leader to reconcile messages correctly

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0.0
• Assignee: Sriram
• Reporter: Sriram
• Created: 16/Jul/13 20:32
• Updated: 16/May/17 16:08
• Resolved: 16/May/17 13:01

Description

During unclean leader election, the log messages can diverge and when the followers come back up Kafka does not reconcile correctly. To implement it correctly, we need to add a term/generation to each message and use that to reconcile.