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https://issues.apache.org/jira/browse/KNOX-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791150#comment-17791150
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Attila Magyar commented on KNOX-2986:
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[~smore], In 2.6.15 only the KNOX_BACKEND-HIVE was added, so only LB for Hive
should be enabled (and not for impala for example).
https://docs.cloudera.com/documentation/other/connectors/hive-odbc/2-6-16/Release-Notes-Hive-ODBC.pdf
> Enable HA for ODBC drivers > 2.6.15
> -----------------------------------
>
> Key: KNOX-2986
> URL: https://issues.apache.org/jira/browse/KNOX-2986
> Project: Apache Knox
> Issue Type: Bug
> Reporter: Sandeep More
> Assignee: Sandeep More
> Priority: Major
> Labels: HA
>
> Currently we prevent HA for all ODBC drivers. Hive driver recently added
> support for KNOX_BACKEND-HIVE cookie in 2.6.15. We need to add a version
> property where we can selectively enable HA for ODBC drivers with version >=
> 2.6.15.
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