Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/13178 )

Change subject: IMPALA-4658: Potential race if compiler reorders ReachedLimit() 
usage.
......................................................................


Patch Set 4:

Only the main fragment thread should be updating num_rows_returned_ in the scan 
nodes - the other scanner threads poll it for early termination.


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I4cbbfad80f7ab87dd6f192a24e2c68f7c66b047e
Gerrit-Change-Number: 13178
Gerrit-PatchSet: 4
Gerrit-Owner: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>
Gerrit-Comment-Date: Wed, 01 May 2019 22:59:00 +0000
Gerrit-HasComments: No

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