Sam Meder created KAFKA-1461:
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Summary: Replica fetcher threads do not implement any back-off
behavior
Key: KAFKA-1461
URL: https://issues.apache.org/jira/browse/KAFKA-1461
Project: Kafka
Issue Type: Improvement
Components: replication
Affects Versions: 0.8.1.1
Reporter: Sam Meder
Assignee: Neha Narkhede
The current replica fetcher thread will retry in a tight loop if any error
occurs during the fetch call. For example, we've seen cases where the fetch
continuously throws a connection refused exception leading to several replica
fetcher threads that spin in a pretty tight loop.
To a much lesser degree this is also an issue in the consumer fetcher thread,
although the fact that erroring partitions are removed so a leader can be
re-discovered helps some.
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