Balazs Jeszenszky has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/13802 )

Change subject: IMPALA-8729: [DOCS] Describe on-demand metadata feature
......................................................................


Patch Set 1: Code-Review+1

(2 comments)

LGTM overall

http://gerrit.cloudera.org:8080/#/c/13802/1/docs/topics/impala_metadata.xml
File docs/topics/impala_metadata.xml:

http://gerrit.cloudera.org:8080/#/c/13802/1/docs/topics/impala_metadata.xml@61
PS1, Line 61: and cache it locally.
Since you mention lack of eviction in the problem statement, I think we could 
mention here that the impalad's cache gets evicted automatically under memory 
pressure.


http://gerrit.cloudera.org:8080/#/c/13802/1/docs/topics/impala_metadata.xml@65
PS1, Line 65: metadata fetches
This is true between the coordinator and catalog only. The catalogd still has 
to load entire tables to be able to serve any request.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I64261625c1d9b122c7cca59f9b004dda05810351
Gerrit-Change-Number: 13802
Gerrit-PatchSet: 1
Gerrit-Owner: Alex Rodoni <arod...@cloudera.com>
Gerrit-Reviewer: Balazs Jeszenszky <jes...@gmail.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Comment-Date: Fri, 05 Jul 2019 07:55:12 +0000
Gerrit-HasComments: Yes

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