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https://issues.apache.org/jira/browse/HDFS-16688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17602811#comment-17602811
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ASF GitHub Bot commented on HDFS-16688:
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snmvaughan commented on PR #4725:
URL: https://github.com/apache/hadoop/pull/4725#issuecomment-1242842344
Rebased against trunk, addressing the conflict.
> Unresolved Hosts during startup are not synced by JournalNodes
> --------------------------------------------------------------
>
> Key: HDFS-16688
> URL: https://issues.apache.org/jira/browse/HDFS-16688
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: journal-node
> Affects Versions: 3.4.0, 3.3.9
> Environment: Running in Kubernetes using Java 11, with an HA
> configuration.
> Reporter: Steve Vaughan
> Assignee: Steve Vaughan
> Priority: Major
> Labels: pull-request-available
>
> During the JournalNode startup, it builds the list of servers in the
> JournalNode set, ignoring hostnames that cannot be resolved. In environments
> with dynamic IP address allocations this means that the JournalNodeSyncer
> will never sync with hosts that aren't resolvable during startup.
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