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https://issues.apache.org/jira/browse/KAFKA-20996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arnab Nandy reassigned KAFKA-20996:
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Assignee: Gergely Harmadás
> `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
> Assignee: Gergely Harmadás
> Priority: Major
>
> We use
> `InetAddress.getHostName`([javadoc|https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/net/InetAddress.html#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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