Jiangjie Qin created KAFKA-1701:
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Summary: Improve controller and broker message handling.
Key: KAFKA-1701
URL: https://issues.apache.org/jira/browse/KAFKA-1701
Project: Kafka
Issue Type: Improvement
Reporter: Jiangjie Qin
This ticket is a memo for future controller refactoring.
It is related to KAFKA-1547. Ideally, the broker should only follow instruction
from controller but not handle it smartly. For KAFKA-1547, the controller
should filter out the partitions whose leader is not up yet before send
LeaderAndIsrRequest to broker.
The idea is controller should handle all the edge cases instead of letting
broker do it.
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