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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5009) NameNode should expose storage information in the LocatedBlock
Date Thu, 29 Aug 2013 16:22:57 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-5009:
-----------------------------------------

    Attachment: h5009_20130830.patch

h5009_20130830.patch: only adds storageIDs to LocatedBlockProto.  The patch is incomplete.
 Still need to fix compilation errors.
                
> NameNode should expose storage information in the LocatedBlock
> --------------------------------------------------------------
>
>                 Key: HDFS-5009
>                 URL: https://issues.apache.org/jira/browse/HDFS-5009
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Arpit Agarwal
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h5009_20130830.patch
>
>
> The storage type is optionally reported by the DataNode along with block report. The
NameNode should make this information available to clients via LocatedBlock.
> Also, LocatedBlock is used in reportBadBlocks(..).  We should add storage ID to LocatedBlock.

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