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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13307) Making methods under ScannerV2#next smaller allows them to be inlined gaining us 7% more throughput
Date Mon, 13 Apr 2015 21:36:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493142#comment-14493142
] 

Hadoop QA commented on HBASE-13307:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12725024/13307v3.branch-1.txt
  against branch-1 branch at commit 679e0e8d2efed297e5b44d17c69952372080b328.
  ATTACHMENT ID: 12725024

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions
(2.4.1 2.5.2 2.6.0)

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 protoc{color}.  The applied patch does not increase the total number of
protoc compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number
of checkstyle errors

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.regionserver.TestTags

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/13684//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/13684//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/13684//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/13684//console

This message is automatically generated.

> Making methods under ScannerV2#next smaller allows them to be inlined gaining us 7% more
throughput
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-13307
>                 URL: https://issues.apache.org/jira/browse/HBASE-13307
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Scanners
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: 13307.txt, 13307v2.branch-1.txt, 13307v3.branch-1.txt, traces.8.svg,
traces.9.svg
>
>
> See parent issue for patch and evidence.
> I was looking at graphs of our scan and found that methods were 'too big' to be inlined
(looking at jvm compilation and inlining output flags -- see parent for list).  Changing method
size helped some. Let me commit the resultant patch.



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