Sriram Subramanian created KAFKA-930:
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Summary: Integrate preferred replica election logic into kafka
Key: KAFKA-930
URL: https://issues.apache.org/jira/browse/KAFKA-930
Project: Kafka
Issue Type: Bug
Reporter: Sriram Subramanian
Assignee: Sriram Subramanian
Fix For: 0.9
It seems useful to integrate the preferred replica election logic into kafka
controller. A simple way to implement this would be to have a background thread
that periodically finds the topic partitions that are not assigned to the
preferred broker and initiate the move. We could come up with some heuristics
to initiate the move only if the imbalance over a specific threshold in order
to avoid rebalancing too aggressively. Making the software do this reduces
operational cost.
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