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https://issues.apache.org/jira/browse/HDFS-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-3497:
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Description:
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)
Summary: Update Balancer policy with NodeGroup layer (was: Update
Balancer for performance optimization with Node Group- "choose the target and
source node on the same node group for balancing as the first priority)
> 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.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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