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From "anujphadke (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4893: Efficiently update the rows read counter for sequence file
Date Fri, 14 Apr 2017 18:44:55 GMT
Hello Tim Armstrong,

I'd like you to reexamine a change.  Please visit

    http://gerrit.cloudera.org:8080/6522

to look at the new patch set (#6).

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

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

Update the rows read counter after processing the scan range instead of updating
it after reading every row for sequence files to save CPU cycles.

Change-Id: Ie42c97a36e46172884cc497aa645036c2c11f541
---
M be/src/exec/hdfs-sequence-scanner.cc
A testdata/workloads/functional-query/queries/QueryTest/hdfs_scanner_profile.test
M tests/query_test/test_scanners.py
3 files changed, 19 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/22/6522/6
-- 
To view, visit http://gerrit.cloudera.org:8080/6522
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ie42c97a36e46172884cc497aa645036c2c11f541
Gerrit-PatchSet: 6
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: anujphadke <aphadke@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: anujphadke <aphadke@cloudera.com>

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