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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6828) Separate block replica dispatching from Balancer
Date Fri, 08 Aug 2014 03:59:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14090274#comment-14090274
] 

Hadoop QA commented on HDFS-6828:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12660503/h6828_20140808b.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 4 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
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 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/7587//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7587//console

This message is automatically generated.

> Separate block replica dispatching from Balancer
> ------------------------------------------------
>
>                 Key: HDFS-6828
>                 URL: https://issues.apache.org/jira/browse/HDFS-6828
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: h6828_20140808.patch, h6828_20140808b.patch
>
>
> The Balancer class implements two major features, (1) balancing logic for selecting replicas
in order to balance the cluster and (2) block replica dispatching for moving the block replica
around.  This JIRA is to separate (2) from Balancer so that the code could be reused by other
code such as the new data migration tool proposed in HDFS-6801.



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