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https://issues.apache.org/jira/browse/HDFS-15423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17319676#comment-17319676
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Íñigo Goiri commented on HDFS-15423:
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Thanks [~fengnanli] for the improvement.
Merged PR 2605.
> RBF: WebHDFS create shouldn't choose DN from all sub-clusters
> -------------------------------------------------------------
>
> Key: HDFS-15423
> URL: https://issues.apache.org/jira/browse/HDFS-15423
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf, webhdfs
> Reporter: Chao Sun
> Assignee: Fengnan Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 6h 10m
> Remaining Estimate: 0h
>
> In {{RouterWebHdfsMethods}} and for a {{CREATE}} call, {{chooseDatanode}}
> first gets all DNs via {{getDatanodeReport}}, and then randomly pick one from
> the list via {{getRandomDatanode}}. This logic doesn't seem correct as it
> should pick a DN for the specific cluster(s) of the input {{path}}.
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