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https://issues.apache.org/jira/browse/HDDS-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783561#comment-16783561
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Sammi Chen commented on HDDS-699:
---------------------------------
Changes in 03. patch,
# add Network Topology interface
# use single RW-lock back in Network Topology implementation
# improve TestNetworkTopologyImpl#testConcurrentAccess, concurrently run
topology add/remove/query operations to verify the Network Topology
implementation robustness.
> Detect Ozone Network topology
> -----------------------------
>
> Key: HDDS-699
> URL: https://issues.apache.org/jira/browse/HDDS-699
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Xiaoyu Yao
> Assignee: Sammi Chen
> Priority: Major
> Attachments: HDDS-699.00.patch, HDDS-699.01.patch, HDDS-699.02.patch,
> HDDS-699.03.patch
>
>
> Traditionally this has been implemented in Hadoop via script or customizable
> java class. One thing we want to add here is the flexible multi-level support
> instead of fixed levels like DC/Rack/NG/Node.
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