Alex Rodoni has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9915 )

Change subject: IMPALA-6667: [DOCS] max_cached_file_handles is enabled by 
default
......................................................................


Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/9915/1/docs/topics/impala_scalability.xml
File docs/topics/impala_scalability.xml:

http://gerrit.cloudera.org:8080/#/c/9915/1/docs/topics/impala_scalability.xml@1047
PS1, Line 1047:         The default value for the setting is 20000. To change 
the value, set
> At this point in the text, the max_cached_file_handles setting has not yet
Done


http://gerrit.cloudera.org:8080/#/c/9915/1/docs/topics/impala_scalability.xml@1050
PS1, Line 1050:         initial default value of 20000, adjust upward if 
NameNode overhead is
> NameNode overhead -> NameNode request load
Done


http://gerrit.cloudera.org:8080/#/c/9915/1/docs/topics/impala_scalability.xml@1053
PS1, Line 1053:         that caching 20,000 file handles requires up to 120 MB 
on each DataNode.
> 120 MB on each Impala executor (not DataNode)
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I61b1dc10c61415c673b49d339ba0d27f6a32a51e
Gerrit-Change-Number: 9915
Gerrit-PatchSet: 1
Gerrit-Owner: Alex Rodoni <arod...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Alex Rodoni <arod...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: John Russell <jruss...@cloudera.com>
Gerrit-Comment-Date: Wed, 04 Apr 2018 21:08:53 +0000
Gerrit-HasComments: Yes

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