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Posted to hdfs-dev@hadoop.apache.org by "Aihua Xu (Jira)" <ji...@apache.org> on 2021/08/10 21:26:00 UTC

[jira] [Created] (HDFS-16159) Support resolvePath() in DistributedFileSystem for federated HDFS

Aihua Xu created HDFS-16159:
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             Summary: Support resolvePath() in DistributedFileSystem for federated HDFS
                 Key: HDFS-16159
                 URL: https://issues.apache.org/jira/browse/HDFS-16159
             Project: Hadoop HDFS
          Issue Type: Task
          Components: federation
    Affects Versions: 3.3.1
            Reporter: Aihua Xu
            Assignee: Aihua Xu


DistributedFileSystem needs to support resolvePath() similar to ViewFileSystem since DistributedFileSystem can be used to talk to Router FileSystem. The clients like Hive need the functionality to determine the physical clusters to choose the data copy vs. move if src and dest are on different physical clusters although they are on the same router file system. See Hive-24742.  



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