Dan Hecht has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9757 )

Change subject: IMPALA-6679,IMPALA-6678: reduce scan reservation
......................................................................


Patch Set 8:

(2 comments)

Do we have tests for the denying the reservation increase?

http://gerrit.cloudera.org:8080/#/c/9757/8/tests/query_test/test_mem_usage_scaling.py
File tests/query_test/test_mem_usage_scaling.py:

http://gerrit.cloudera.org:8080/#/c/9757/8/tests/query_test/test_mem_usage_scaling.py@133
PS8, Line 133: 48
that's still a bit higher than on master.


http://gerrit.cloudera.org:8080/#/c/9757/8/tests/query_test/test_sort.py
File tests/query_test/test_sort.py:

http://gerrit.cloudera.org:8080/#/c/9757/8/tests/query_test/test_sort.py@174
PS8, Line 174:     new_vector = deepcopy(vector)
             :     # Run with num_nodes=1 to make execution more deterministic.
             :     new_vector.get_value('exec_option')['num_nodes'] = 1
why does this look different than e.g. lines 136-140?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ifc80e05118a9eef72cac8e2308418122e3ee0842
Gerrit-Change-Number: 9757
Gerrit-PatchSet: 8
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Wed, 18 Apr 2018 23:09:08 +0000
Gerrit-HasComments: Yes

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