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https://issues.apache.org/jira/browse/AVRO-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210813#comment-13210813
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Doug Cutting commented on AVRO-593:
-----------------------------------

Garrett, this code looks great!  Thanks for contributing it.

I renamed all of the packages to reside under org.apache.avro.mapred.  So that 
package now has subpackages named io, file, util and mapreduce.  That's 
consistent with other Avro modules, where classes are under 
org.apache.avro.<module>.

The only exception is org.apache.hadoop.io.AvroSequenceFile.  This is in a 
Hadoop package so that it can access some package-private parts of 
SequenceFile.  This is fragile, as SequenceFile could change these non-public 
APIs.  We should probably file an issue with Hadoop to make these items 
protected so that SequenceFile can be subclassed in a supported way.

I plan to improve the javadoc a bit (adding package.html files to new packages) 
and move versions for new dependencies from mapred/pom.xml into the parent pom. 
 Then I think this should be ready to commit.
                
> Avro mapreduce apis incompatible with hadoop 0.20.2
> ---------------------------------------------------
>
>                 Key: AVRO-593
>                 URL: https://issues.apache.org/jira/browse/AVRO-593
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.3.2, 1.3.3
>         Environment: Avro 1.3.3, Hadoop 0.20.2
>            Reporter: Steve Severance
>            Assignee: Garrett Wu
>         Attachments: AVRO-593.patch, AVRO-593.patch
>
>
> The avro api's for hadoop use the hadoop mapreduce api that has been 
> deprecated. A new avro mapreduce api should be implemented for hadoop 0.20 
> and higher.

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