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https://issues.apache.org/jira/browse/AVRO-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978962#action_12978962
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Doug Cutting commented on AVRO-593:
-----------------------------------

I'd actually prefer it if the implementations shared more rather than less, so 
that fixes and improvements would not need to be made twice.  For example, 
AVRO-669 made significant changes to the mapred code that would also be useful 
for the mapreduce version.  So might be nice if both versions of AvroJob shared 
a common base class, with shared setters and getters, e.g., 
getInputKeyDatumReader(), etc. to minimize replication of logic.

> 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
>         Attachments: 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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