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https://issues.apache.org/jira/browse/ZOOKEEPER-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536930#comment-14536930
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Michi Mutsuzaki commented on ZOOKEEPER-2171:
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+1 Thanks Raul!
> avoid reverse lookups in QuorumCnxManager
> -----------------------------------------
>
> Key: ZOOKEEPER-2171
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2171
> Project: ZooKeeper
> Issue Type: Bug
> Components: quorum
> Reporter: Raul Gutierrez Segales
> Assignee: Raul Gutierrez Segales
> Fix For: 3.5.1, 3.6.0
>
> Attachments: ZOOKEEPER-2171.patch, ZOOKEEPER-2171.patch
>
>
> Apparently, ZOOKEEPER-107 (via a quick git-blame look) introduced a bunch of
> getHostName() calls in QCM. Besides the overhead, these can cause problems
> when mixed with failing/mis-configured DNS servers.
> It would be nice to reduce them, if that doesn't affect operational
> correctness.
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