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https://issues.apache.org/jira/browse/HDFS-16517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HDFS-16517:
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External issue URL: https://github.com/apache/hadoop/pull/4091
> In 2.10 the distance metric is wrong for non-DN machines
> --------------------------------------------------------
>
> Key: HDFS-16517
> URL: https://issues.apache.org/jira/browse/HDFS-16517
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.10.1
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
>
> In 2.10, the metric for distance between the client and the data node is
> wrong for machines that aren't running data nodes (ie.
> getWeightUsingNetworkLocation). The code works correctly in 3.3+.
> Currently
>
> ||Client||DataNode ||getWeight||getWeightUsingNetworkLocation||
> |/rack1/node1|/rack1/node1|0|0|
> |/rack1/node1|/rack1/node2|2|2|
> |/rack1/node1|/rack2/node2|4|2|
> |/pod1/rack1/node1|/pod1/rack1/node2|2|2|
> |/pod1/rack1/node1|/pod1/rack2/node2|4|2|
> |/pod1/rack1/node1|/pod2/rack2/node2|6|4|
>
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