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Posted to issues@hive.apache.org by "Aihua Xu (JIRA)" <ji...@apache.org> on 2017/08/14 20:36:01 UTC

[jira] [Commented] (HIVE-13817) Allow DNS CNAME ALIAS Resolution from apache hive beeline JDBC URL to allow for failover

    [ https://issues.apache.org/jira/browse/HIVE-13817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126359#comment-16126359 ] 

Aihua Xu commented on HIVE-13817:
---------------------------------

[~SINGHVJD] The patch makes sense to me. Can you attach a new patch from the new rebase since it has been a while? Thanks.

> Allow DNS CNAME ALIAS Resolution from apache hive beeline JDBC URL to allow for failover
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-13817
>                 URL: https://issues.apache.org/jira/browse/HIVE-13817
>             Project: Hive
>          Issue Type: New Feature
>          Components: Beeline
>    Affects Versions: 1.2.1
>            Reporter: Vijay Singh
>         Attachments: HIVE-13817.1.patch, HIVE-13817.2.patch, HIVE-13817.3.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Currently, in case of BDR clusters, DNS CNAME alias based connections fail. As _HOST resolves to exact endpoint specified in connection string and that may not be intended SPN for kerberos based on reverse DNS lookup. Consequently this JIRA proposes that client specific setting be used to resolv _HOST from CNAME DNS alias to A record entry on the fly in beeline.



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