Owen O'Malley created HDFS-16517:
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Summary: 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
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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