Chao Sun created HDFS-15423:
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Summary: 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
Reporter: Chao Sun
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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