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https://issues.apache.org/jira/browse/HDFS-16684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Stack resolved HDFS-16684.
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Hadoop Flags: Reviewed
Resolution: Fixed
Merged to trunk and branch-3.3. Resolving. Thanks for the nice contribution
[~svaughan]
> Exclude self from JournalNodeSyncer when using a bind host
> ----------------------------------------------------------
>
> Key: HDFS-16684
> URL: https://issues.apache.org/jira/browse/HDFS-16684
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: journal-node
> Affects Versions: 3.4.0, 3.3.9
> Environment: Running with Java 11 and bind addresses set to 0.0.0.0.
> Reporter: Steve Vaughan
> Assignee: Steve Vaughan
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.9
>
>
> The JournalNodeSyncer will include the local instance in syncing when using a
> bind host (e.g. 0.0.0.0). There is a mechanism that is supposed to exclude
> the local instance, but it doesn't recognize the meta-address as a local
> address.
> Running with bind addresses set to 0.0.0.0, the JournalNodeSyncer will log
> attempts to sync with itself as part of the normal syncing rotation. For an
> HA configuration running 3 JournalNodes, the "other" list used by the
> JournalNodeSyncer will include 3 proxies.
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