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From "Tim Armstrong (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-5347: Parquet scanner microoptimizations
Date Wed, 24 May 2017 21:31:08 GMT
Tim Armstrong has posted comments on this change.

Change subject: IMPALA-5347: Parquet scanner microoptimizations
......................................................................


Patch Set 11:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/6950/11/be/src/exec/hdfs-parquet-scanner.cc
File be/src/exec/hdfs-parquet-scanner.cc:

Line 979: Status HdfsParquetScanner::ResetScratchBatch() {
> Looks like this is only called in a single place, so might as well move the
Done


http://gerrit.cloudera.org:8080/#/c/6950/11/be/src/exec/hdfs-scanner.h
File be/src/exec/hdfs-scanner.h:

Line 492:       for (int i = 0; i < num_tuples; ++i) {
> int64_t i since num_tuples is an int64_t
Done


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Gerrit-MessageType: comment
Gerrit-Change-Id: I49ec523a65542fdbabd53fbcc4a8901d769e5cd5
Gerrit-PatchSet: 11
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Jim Apple <jbapple-impala@apache.org>
Gerrit-Reviewer: Marcel Kornacker <marcel@cloudera.com>
Gerrit-Reviewer: Mostafa Mokhtar <mmokhtar@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: anujphadke <aphadke@cloudera.com>
Gerrit-HasComments: Yes

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