[KAFKA-499] Refactor controller state machine

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Labels: optimization
• Assignee: Neha Narkhede
• Reporter: Neha Narkhede
• Created: 06/Sep/12 16:57
• Updated: 18/Sep/12 20:35
• Resolved: 18/Sep/12 17:30

Description

Currently, the controller logic is very procedural and is similar to KafkaZookeeper. Controller should have a well defined state machine with states and transitions. This will make it easier to understand and maintain the controller code.

Issue Links

• blocks: KAFKA-42 Support rebalancing the partitions with replication
• blocks: KAFKA-43 Rebalance to preferred broke with intra-cluster replication support