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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14289) Backport HBASE-13965 'Stochastic Load Balancer JMX Metrics' to 0.98
Date Mon, 24 Aug 2015 20:05:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709970#comment-14709970
] 

Hadoop QA commented on HBASE-14289:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12752030/14289-0.98-v3.txt
  against 0.98 branch at commit 9334a47d4570f8adfc003f0fb2c5969a88c3bba0.
  ATTACHMENT ID: 12752030

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

    {color:green}+1 tests included{color}.  The patch appears to include 8 new or modified
tests.

    {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: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:red}-1 javadoc{color}.  The javadoc tool appears to have generated 23 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 post-site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
     

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15221//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15221//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15221//artifact/patchprocess/checkstyle-aggregate.html

  Javadoc warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15221//artifact/patchprocess/patchJavadocWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15221//console

This message is automatically generated.

> Backport HBASE-13965 'Stochastic Load Balancer JMX Metrics' to 0.98
> -------------------------------------------------------------------
>
>                 Key: HBASE-14289
>                 URL: https://issues.apache.org/jira/browse/HBASE-14289
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 0.98.15
>
>         Attachments: 14289-0.98-v2.txt, 14289-0.98-v3.txt
>
>
> The default HBase load balancer (the Stochastic load balancer) is cost function based.
The cost function weights are tunable but no visibility into those cost function results is
directly provided.
> This issue backports HBASE-13965 to 0.98 branch to provide visibility via JMX into each
cost function of the stochastic load balancer, as well as the overall cost of the balancing
plan.



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