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https://issues.apache.org/jira/browse/HBASE-14020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14613601#comment-14613601
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Hadoop QA commented on HBASE-14020:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12743540/HBASE-14020_v2.patch
against master branch at commit e640f1e76af8f32015f475629610da127897f01e.
ATTACHMENT ID: 12743540
{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 (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0)
{color:red}-1 javac{color}. The applied patch generated 16 javac compiler
warnings (more than the master's current 13 warnings).
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 2
warning messages.
{color:red}-1 checkstyle{color}. The applied patch generated
1899 checkstyle errors (more than the master's current 1898 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 post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
{color:red}-1 core zombie tests{color}. There are 1 zombie test(s):
at
org.apache.hadoop.hbase.util.TestDrainBarrier.testStopIsBlockedByOps(TestDrainBarrier.java:98)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/14655//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14655//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/14655//artifact/patchprocess/checkstyle-aggregate.html
Javadoc warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14655//artifact/patchprocess/patchJavadocWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/14655//console
This message is automatically generated.
> Unsafe based optimized write in ByteBufferOutputStream
> ------------------------------------------------------
>
> Key: HBASE-14020
> URL: https://issues.apache.org/jira/browse/HBASE-14020
> Project: HBase
> Issue Type: Sub-task
> Components: Scanners
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0
>
> Attachments: HBASE-14020.patch, HBASE-14020_v2.patch
>
>
> We use this class to build the cellblock at RPC layer. The write operation is
> doing puts to java ByteBuffer which is having lot of overhead. Instead we can
> do Unsafe based copy to buffer operation.
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