Henry Robinson has posted comments on this change.

Change subject: IMPALA-2660: Respect auth_to_local configs from hdfs configs
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Patch Set 4:

> I'm not sure I understand this. The current patch affects only authorization, 
> basically *after* authentication.  Do you mean we should undo the changes 
> added for FLAGS_force_lowercase_username patch and instead do it via 
> auth_to_local rules as a part of this patch ?

Isn't that an expectation for the behaviour of auth_to_local - that it will 
transform supplied principals in order to enable authentication? Does Hadoop 
work like that?

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Gerrit-MessageType: comment
Gerrit-Change-Id: I76485b83c14ba26f6fce66e5f83e8014667829e0
Gerrit-PatchSet: 4
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Bharath Vissapragada <[email protected]>
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: Bharath Vissapragada <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Juan Yu <[email protected]>
Gerrit-Reviewer: Sailesh Mukil <[email protected]>
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