Tim Armstrong has posted comments on this change.

Change subject: IMPALA-4893: Efficiently update the rows read counter for 
sequence file
......................................................................


Patch Set 4:

(2 comments)

Only minor style comments remaining.

http://gerrit.cloudera.org:8080/#/c/6522/4/tests/query_test/test_scanners.py
File tests/query_test/test_scanners.py:

Line 70:     if new_vector.get_value('table_format').file_format == 'kudu':
We can make this more concise:
  in ('kudu, 'hbase')


Line 74:     self.run_test_case('QueryTest/rows-read', new_vector)
Might as well make this a separate test method, e.g. test_rows_read(). Or 
actually that seems very specific. Maybe rename to something like 
test_hdfs_scanner_profile/hdfs-scanner-profile.


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ie42c97a36e46172884cc497aa645036c2c11f541
Gerrit-PatchSet: 4
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: anujphadke <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: anujphadke <[email protected]>
Gerrit-HasComments: Yes

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