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https://issues.apache.org/jira/browse/HDDS-1085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768593#comment-16768593
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Aravindan Vijayan commented on HDDS-1085:
-----------------------------------------

[~elek] 

bq. Is there any reason to prefer REST protocol over Hadoop RPC / grpc?

As a first implementation, we have gone with REST to quickly get the FSCK 
server functional. This may be considered as Iteration1 of the FSCK Sever - OM 
contract. In the future, when DB sizes become large, we may have to move onto 
streaming individual files through RPC rather than as a single tar.gz here. I 
can definitely change this to RPC in this iteration itself if we believe that 
needs to be done. Please let me know.

Let me get back to you on the security question. 

> Create an OM API to serve snapshots to FSCK server
> --------------------------------------------------
>
>                 Key: HDDS-1085
>                 URL: https://issues.apache.org/jira/browse/HDDS-1085
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: Siddharth Wagle
>            Assignee: Aravindan Vijayan
>            Priority: Major
>         Attachments: HDDS-1085-000.patch, HDDS-1085-001.patch, 
> HDDS-1085-002.patch
>
>
> We need to add an API to OM so that we can serve snapshots from the OM server.
>  - The snapshot should be streamed to fsck server with the ability to 
> throttle network utilization (like TransferFsImage)



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