Tim Armstrong has posted comments on this change.

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


Patch Set 3:

I ran an exhaustive build and it looks like the test failed on other file 
formats. I think the problems I saw were:

* If the data is split between multiple files we get values < 10k (i.e. we 
probably need to have a separate test where we set num_nodes=1).
* Some scanners, e.g. Kudu, don't have this counter

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Gerrit-MessageType: comment
Gerrit-Change-Id: Ie42c97a36e46172884cc497aa645036c2c11f541
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: anujphadke <apha...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: anujphadke <apha...@cloudera.com>
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