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Posted to hdfs-issues@hadoop.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2021/08/11 02:46:00 UTC
[jira] [Commented] (HDFS-16159) Support resolvePath() in
DistributedFileSystem for federated HDFS
[ https://issues.apache.org/jira/browse/HDFS-16159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17397011#comment-17397011 ]
Ayush Saxena commented on HDFS-16159:
-------------------------------------
how do you plan to handle in case of RBF with multiple destinations, and say the mount point is using RANDOM or SPACE order?
> 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
> Priority: Major
>
> 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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