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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6300) Allows to run multiple balancer simultaneously
Date Tue, 29 Apr 2014 17:44:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984563#comment-13984563
] 

Hadoop QA commented on HDFS-6300:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12642451/HDFS-6300.patch
  against trunk revision .

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

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

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

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

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

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

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6764//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6764//console

This message is automatically generated.

> Allows to run multiple balancer simultaneously
> ----------------------------------------------
>
>                 Key: HDFS-6300
>                 URL: https://issues.apache.org/jira/browse/HDFS-6300
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>             Fix For: 2.5.0
>
>         Attachments: HDFS-6300.patch
>
>
> Javadoc of "Balancer.java" says, it will not allow to run second balancer if the first
one is in progress. But I've noticed multiple can run together and balancer.id implementation
is not safe guarding.
> {code}
>  * <li>Another balancer is running. Exiting...
> {code}



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