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Posted to hdfs-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2013/08/27 04:04:51 UTC

[jira] [Commented] (HDFS-5009) NameNode should expose storage information in the LocatedBlock

    [ https://issues.apache.org/jira/browse/HDFS-5009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750888#comment-13750888 ] 

Junping Du commented on HDFS-5009:
----------------------------------

Thanks [~arpitagarwal]. Looks like Nicholas is working on this jira. I will provide help like review, test, etc.
                
> 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
>
> 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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