hanmingze created KAFKA-9725:
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Summary: Block the business thread when the zookeeper is
unavailable
Key: KAFKA-9725
URL: https://issues.apache.org/jira/browse/KAFKA-9725
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 0.9.0.2
Reporter: hanmingze
If zk is not available, the method Partition.updateIsr() will block. If
ExpandIsr logic is triggered, the worker thread (kafka-request-handler-n) will
be blocked.
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