Bharath Vissapragada has posted comments on this change.

Change subject: IMPALA-4041: Limit catalog and admission control updates to 
coordinators
......................................................................


Patch Set 4:

- I was reading the latest PS and I have question. Shouldn't we disable 
handlers like /catalog /queries /inflight_query_ids on non-coordinator nodes? 
Looks like there are no changes in ImpalaHttpHandler::RegisterHandlers(). 

- Also I like Henry's idea that the webpage should explicitly highlight whether 
a node is a coordinator.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I5f2c74abdbcd60ac050efa323616bd41182ceff3
Gerrit-PatchSet: 4
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Henry Robinson <he...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com>
Gerrit-Reviewer: Matthew Jacobs <m...@cloudera.com>
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