[jira] [Commented] (HADOOP-9565) Add a Blobstore interface to add to blobstore FileSystems

["Sumit Kumar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-9565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034281#comment-14034281 ] 

Sumit Kumar commented on HADOOP-9565:
-------------------------------------

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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