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From "Ramkumar Vadali" <ramkumar.vad...@gmail.com>
Subject Re: Review Request: Distributed block fixer for raid
Date Mon, 29 Nov 2010 19:19:42 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/120/#review44
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http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockFixer.java
<https://reviews.apache.org/r/120/#comment34>

    What changed here?



http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/DistBlockFixer.java
<https://reviews.apache.org/r/120/#comment35>

    Can we remove this debugging helper?


- Ramkumar


On 2010-11-24 16:20:50, Patrick Kling wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/120/
> -----------------------------------------------------------
> 
> (Updated 2010-11-24 16:20:50)
> 
> 
> Review request for hadoop-mapreduce.
> 
> 
> Summary
> -------
> 
> This change adds a new implementation of the raid block fixer that uses map reduce jobs
to fix missing/corrupt blocks, which allows us to fix a large number of blocks quickly. The
user can specify via a configuration variable whether the old (local) or the new implementation
should be used.
> 
> 
> This addresses bug MAPREDUCE-2155.
>     https://issues.apache.org/jira/browse/MAPREDUCE-2155
> 
> 
> Diffs
> -----
> 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/hdfs/RaidDFSUtil.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockFixer.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/DistBlockFixer.java
PRE-CREATION 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/LocalBlockFixer.java
PRE-CREATION 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidShell.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/test/org/apache/hadoop/raid/TestBlockFixer.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/test/org/apache/hadoop/raid/TestRaidShell.java
1038358 
>   http://svn.apache.org/repos/asf/hadoop/mapreduce/trunk/src/contrib/raid/src/test/org/apache/hadoop/raid/TestReedSolomonDecoder.java
1038358 
> 
> Diff: https://reviews.apache.org/r/120/diff
> 
> 
> Testing
> -------
> 
> TestBlockFixer, other raid unit tests, manual testing on test cluster
> 
> 
> Thanks,
> 
> Patrick
> 
>


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