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https://issues.apache.org/jira/browse/HDFS-11639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16006131#comment-16006131
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Ewan Higgs commented on HDFS-11639:
-----------------------------------

I forgot to mention that the current patch requires 
6e4c5539c50cdea1f4d307c4f4273dc42af5601c and 
6fcaf3097156aa83e83def29006198fb4a632163 to be cherry picked into the branch.

> [READ] Encode the BlockAlias in the client protocol
> ---------------------------------------------------
>
>                 Key: HDFS-11639
>                 URL: https://issues.apache.org/jira/browse/HDFS-11639
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Ewan Higgs
>            Assignee: Ewan Higgs
>         Attachments: HDFS-11639-HDFS-9806.001.patch, 
> HDFS-11639-HDFS-9806.002.patch
>
>
> As part of the {{PROVIDED}} storage type, we have a {{BlockAlias}} type which 
> encodes information about where the data comes from. i.e. URI, offset, 
> length, and nonce value. This data should be encoded in the protocol 
> ({{LocatedBlockProto}} and the {{BlockTokenIdentifier}}) when a block is 
> available using the PROVIDED storage type.



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