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From "Ewan Higgs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11639) [READ] Encode the BlockAlias in the client protocol
Date Wed, 23 Aug 2017 08:04:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16138036#comment-16138036
] 

Ewan Higgs commented on HDFS-11639:
-----------------------------------

{quote}Hi Ewan Higgs, As this change is required only for writes, we can move this to HDFS-12090.
Are you OK with that?
{quote}

Sure. It needs a rebase as well, I see.

> [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,
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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