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Posted to dev@zookeeper.apache.org by "Camille Fournier (JIRA)" <ji...@apache.org> on 2013/11/05 03:34:17 UTC

[jira] [Updated] (ZOOKEEPER-1666) Avoid Reverse DNS lookup if the hostname in connection string is literal IP address.

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Camille Fournier updated ZOOKEEPER-1666:
----------------------------------------

    Attachment: ZOOKEEPER-1666-34.patch

3.4.6 patch

> Avoid Reverse DNS lookup if the hostname in connection string is literal IP address.
> ------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1666
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1666
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: java client
>            Reporter: George Cao
>            Assignee: George Cao
>              Labels: patch, test
>         Attachments: ZOOKEEPER-1666-34.patch, ZOOKEEPER-1666.patch, ZOOKEEPER-1666.patch
>
>
> In our ENV, if the InetSocketAddress.getHostName() is called and the host name in the connection string are literal IP address, then the call will trigger a reverse DNS lookup which is very slow.
> And in this situation, the host name can simply set as the IP without causing any problem. 



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