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https://issues.apache.org/jira/browse/HDFS-8345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-8345:
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Attachment: HDFS-8345.02.patch
Thanks [~xyao]. Added test and fixed missing exception in Javadoc.
bq. 2. Do we miss the ViewFS#getStoragePolicyNames() override since
ViewFS#setStoragePolicy is override. Or we expect it fallback to
FileSystem#getStoragePoliciyNames that throws UnsupportedOperationException?
Correct. In the absence of a path name we cannot know which NameSystem to
forward the call.
> Storage policy APIs must be exposed via the FileSystem interface
> ----------------------------------------------------------------
>
> Key: HDFS-8345
> URL: https://issues.apache.org/jira/browse/HDFS-8345
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.7.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Labels: BB2015-05-TBR
> Attachments: HDFS-8345.01.patch, HDFS-8345.02.patch
>
>
> The storage policy APIs are not exposed via FileSystem. Since
> DistributedFileSystem is tagged as LimitedPrivate we should expose the APIs
> through FileSystem for use by other applications.
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