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https://issues.apache.org/jira/browse/HDFS-11639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16966561#comment-16966561
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Ewan Higgs commented on HDFS-11639:
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[~virajith] indeed, I dont think this is needed any more if we are no longer
using the client as part of the interaction for writing data back to the
provided storage and instead plan to use the heart beat protocol to instruct
DNs to perform the writes.
You can close this.
> [PROVIDED Phase 2] 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
> Priority: Major
> Attachments: HDFS-11639-HDFS-9806.001.patch,
> HDFS-11639-HDFS-9806.002.patch, HDFS-11639-HDFS-9806.003.patch,
> HDFS-11639-HDFS-9806.004.patch, HDFS-11639-HDFS-9806.005.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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