Sahil Takiar has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15463 )

Change subject: IMPALA-9530: query option to limit preagg memory
......................................................................


Patch Set 2:

(3 comments)

mostly minor comments, overall LGTM

http://gerrit.cloudera.org:8080/#/c/15463/2/be/src/service/query-options.cc
File be/src/service/query-options.cc:

http://gerrit.cloudera.org:8080/#/c/15463/2/be/src/service/query-options.cc@923
PS2, Line 923: preaggregation bytes
nit: 'preaggregation bytes limit'


http://gerrit.cloudera.org:8080/#/c/15463/2/fe/src/main/java/org/apache/impala/planner/AggregationNode.java
File fe/src/main/java/org/apache/impala/planner/AggregationNode.java:

http://gerrit.cloudera.org:8080/#/c/15463/2/fe/src/main/java/org/apache/impala/planner/AggregationNode.java@581
PS2, Line 581: useStreamingPreagg_
IIUC, the preagg_bytes_limit won't be applied if 
DISABLE_STREAMING_PREAGGREGATIONS=true, right? should that be documented 
somewhere?


http://gerrit.cloudera.org:8080/#/c/15463/2/testdata/workloads/tpch/queries/tpch-passthrough-aggregations.test
File testdata/workloads/tpch/queries/tpch-passthrough-aggregations.test:

http://gerrit.cloudera.org:8080/#/c/15463/2/testdata/workloads/tpch/queries/tpch-passthrough-aggregations.test@99
PS2, Line 99:
nit: whitespace



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I87f7a5c68da93d068e304ef01afbcbb0d56807d9
Gerrit-Change-Number: 15463
Gerrit-PatchSet: 2
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Sahil Takiar <[email protected]>
Gerrit-Reviewer: Thomas Tauber-Marshall <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Wed, 18 Mar 2020 18:42:28 +0000
Gerrit-HasComments: Yes

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