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https://issues.apache.org/jira/browse/HDFS-11998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058316#comment-16058316
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Arpit Agarwal commented on HDFS-11998:
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+1 for the patch. Verified that the test failures are unrelated.
[~linyiqun], are you okay with the v2 patch?
> Enable DFSNetworkTopology as default
> ------------------------------------
>
> Key: HDFS-11998
> URL: https://issues.apache.org/jira/browse/HDFS-11998
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Chen Liang
> Assignee: Chen Liang
> Attachments: HDFS-11998.001.patch, HDFS-11998.002.patch
>
>
> HDFS-11530 has made it configurable to use {{DFSNetworkTopology}}, and still
> uses {{NetworkTopology}} as default.
> Given the stress testing in HDFS-11923 which shows the correctness of
> DFSNetworkTopology, and the performance testing in HDFS-11535 which shows how
> DFSNetworkTopology can outperform NetworkTopology. I think we are at the
> point where I can and should enable DFSNetworkTopology as default.
> Any comments/thoughts are more than welcome!
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