Jason Gustafson created KAFKA-9347:
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Summary: Detect deleted log directory before becoming leader
Key: KAFKA-9347
URL: https://issues.apache.org/jira/browse/KAFKA-9347
Project: Kafka
Issue Type: Improvement
Reporter: Jason Gustafson
There is no protection currently if a broker has had its log directory deleted
to prevent it from becoming the leader of a partition that it still remains in
the ISR of. This scenario can happen when the last remaining replica in the ISR
is shutdown. It will remain in the ISR and be eligible for leadership as soon
as it starts up. It would be useful to either detect this case situation
dynamically in order to force the user to do an unclean election or recover
another broker. One option might be just to pass a flag on startup to specify
that a broker should not be eligible for leadership.
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