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https://issues.apache.org/jira/browse/HDFS-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415880#comment-13415880
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Hadoop QA commented on HDFS-3497:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12536770/HDFS-3497-v2.patch
against trunk revision .
-1 patch. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2839//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.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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