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https://issues.apache.org/jira/browse/HADOOP-9565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034281#comment-14034281
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Sumit Kumar commented on HADOOP-9565:
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I see some interface like this in hadoop-azure codebase
https://github.com/apache/hadoop-common/blob/trunk/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/StorageInterface.java
> Add a Blobstore interface to add to blobstore FileSystems
> ---------------------------------------------------------
>
> Key: HADOOP-9565
> URL: https://issues.apache.org/jira/browse/HADOOP-9565
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs
> Affects Versions: 2.0.4-alpha
> Reporter: Steve Loughran
> Priority: Minor
>
> We can make the fact that some {{FileSystem}} implementations are really
> blobstores, with different atomicity and consistency guarantees, by adding a
> {{Blobstore}} interface to add to them.
> This could also be a place to add a {{Copy(Path,Path)}} method, assuming that
> all blobstores implement at server-side copy operation as a substitute for
> rename.
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