Dan Burkert has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8313 )

Change subject: KUDU-2191 (10/n): Hive Metastore notification log event listener
......................................................................


Patch Set 7:

> Patch Set 7:
>
> > I can see how a double apply could lead to errors (i.e. trying to add the 
> > same > column twice)
>
> Another thing to note about this question: Kudu _will not_ be responding to 
> ADD COLUMN or DROP COLUMN alterations by modifying the Kudu catalog.  We are 
> simply going to respond to these notifications from the HMS, and overwrite 
> the HMS's version of the table metadata with our own.  The _only_ 
> notifications from the HMS which result in a modification of the Kudu catalog 
> are DROP TABLE and ALTER TABLE RENAME.

Sorry the second sentence should read:

When the leader master receives these notifications from the HMS, it will 
overwrite the HMS's version of the table metadata with its own.


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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I32ed099c44a593ffe514152135957018f21ed775
Gerrit-Change-Number: 8313
Gerrit-PatchSet: 7
Gerrit-Owner: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Hao Hao <hao....@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Tidy Bot
Gerrit-Comment-Date: Thu, 12 Apr 2018 19:29:22 +0000
Gerrit-HasComments: No

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