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Posted to hdfs-dev@hadoop.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2020/06/20 01:52:00 UTC

[jira] [Created] (HDFS-15423) RBF: WebHDFS create shouldn't choose DN from all sub-clusters

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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