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https://issues.apache.org/jira/browse/IMPALA-8584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16939808#comment-16939808
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Alexandra Rodoni commented on IMPALA-8584:
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[~twmarshall] Is this an user-facing feature that should be documented, for 
example, --max_cookie_lifetime_s?


> Add support for cookie-based authentication
> -------------------------------------------
>
>                 Key: IMPALA-8584
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8584
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 3.3.0
>            Reporter: Thomas Tauber-Marshall
>            Assignee: Thomas Tauber-Marshall
>            Priority: Critical
>             Fix For: Impala 3.4.0
>
>
> When IMPALA-8538 goes in, we'll have support for LDAP authentication over 
> http. The initial design will pass the credentials to LDAP for authentication 
> on every rpc. This has the potential to create a significant load on the LDAP 
> server. We can avoid hitting LDAP on every request by adding support for 
> cookie auth.



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