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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7467) Provide storage tier information for a directory via fsck
Date Tue, 24 Feb 2015 22:47:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335606#comment-14335606
] 

Benoy Antony commented on HDFS-7467:
------------------------------------

Thanks for the review [~szetszwo].
If there are no further comments, I'll commit the patch tomorrow.



> Provide storage tier information for a directory via fsck
> ---------------------------------------------------------
>
>                 Key: HDFS-7467
>                 URL: https://issues.apache.org/jira/browse/HDFS-7467
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>    Affects Versions: 2.6.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HDFS-7467-002.patch, HDFS-7467-003.patch, HDFS-7467-004.patch, HDFS-7467.patch,
storagepolicydisplay.pdf
>
>
> Currently _fsck_  provides information regarding blocks for a directory.
> It should be augmented to provide storage tier information (optionally). 
> The sample report could be as follows :
> {code}
> Storage Tier Combination        # of blocks       % of blocks
> DISK:1,ARCHIVE:2                  340730           97.7393%
>  
> ARCHIVE:3                           3928            1.1268%
>  
> DISK:2,ARCHIVE:2                    3122            0.8956%
>  
> DISK:2,ARCHIVE:1                     748            0.2146%
>  
> DISK:1,ARCHIVE:3                      44            0.0126%
>  
> DISK:3,ARCHIVE:2                      30            0.0086%
>  
> DISK:3,ARCHIVE:1                       9            0.0026%
> {code}
>  



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