Luke Chen created KAFKA-20996:
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Summary: `InetAddress.getHostName` could take long to impact
network thread
Key: KAFKA-20996
URL: https://issues.apache.org/jira/browse/KAFKA-20996
Project: Kafka
Issue Type: Improvement
Reporter: Luke Chen
We use `InetAddress.getHostName` in some places in kafka, but we never consider
it might take long time to respond because it performs a reverse hostname
lookup. When this happens, it'll block the network thread and cause unexpected
timeout and hard to troubleshoot. We should improve this behavior.
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