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From "Patrick Kling (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2156) Raid-aware FSCK
Date Tue, 30 Nov 2010 22:34:13 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Patrick Kling updated MAPREDUCE-2156:
-------------------------------------

    Attachment: MAPREDUCE-2156.patch

See review board: https://reviews.apache.org/r/132/

ant test-patch output:

{code}
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 4 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec] 
     [exec]     +1 system test framework.  The patch passed system test framework compile.
{code}

> Raid-aware FSCK
> ---------------
>
>                 Key: MAPREDUCE-2156
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2156
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/raid
>    Affects Versions: 0.23.0
>            Reporter: Patrick Kling
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2156.patch
>
>
> Currently, FSCK reports files as corrupt even if they can be fixed using parity blocks.
We need a tool that only reports files that are irreparably corrupt (i.e., files for which
too many data or parity blocks belonging to the same stripe have been lost or corrupted).

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