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https://issues.apache.org/jira/browse/HADOOP-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Homan updated HADOOP-5258:
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Release Note: -printTopology added to dfsAdmin to print a tree of the rack
and datanode topology as seen by the namenode.
Status: Patch Available (was: Open)
Patch passes all unit tests in test and test-contrib except known-bad
HADOOP-4907.
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modified tests.
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of javac compiler warnings.
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> Provide dfsadmin functionality to report on namenode's view of network
> topology
> -------------------------------------------------------------------------------
>
> Key: HADOOP-5258
> URL: https://issues.apache.org/jira/browse/HADOOP-5258
> Project: Hadoop Core
> Issue Type: New Feature
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Attachments: HADOOP-5258.patch
>
>
> As discussed in HADOOP-4954, it would be useful to be able to query the
> namenode to its current view on the network topology of racks and datanodes.
> This would allow ops to compare what the namenode sees with what they expect
> it to see.
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