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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3497) Update Balancer policy with NodeGroup layer
Date Tue, 17 Jul 2012 11:28:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13416094#comment-13416094

Hadoop QA commented on HDFS-3497:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified test files.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:


    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2843//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2843//console

This message is automatically generated.
> Update Balancer policy with NodeGroup layer
> -------------------------------------------
>                 Key: HDFS-3497
>                 URL: https://issues.apache.org/jira/browse/HDFS-3497
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: HDFS-3497-v2.patch, HDFS-3497-v3.patch, HDFS-3497.patch
> 1. Make sure Network Topology and BlockPlacementPolicy check in balancer is compatible
with new one with adding NodeGroup layer.
> 2. Update balancer policy for performance optimization with Node Group - "choose the
target and source node on the same node group for balancing as the first priority".
> 3. Make sure balancing policy will not eliminate reliability on environment with nodegroup
(virtualization) that verify good target on NodeGroup relationship. (This part of work is
separated out and tracked in HDFS-3496) 

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