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https://issues.apache.org/jira/browse/MAPREDUCE-815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800401#action_12800401
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Doug Cutting commented on MAPREDUCE-815:
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 - those javadoc @deprecated lines don't look right.  did you run javadoc & 
look at the output?
 - AvroInputFormat's value field isn't used and could be removed.
 - should we add an end-to-end test somewhere that runs an mr job with avro 
input, avro comparison, and avro output? new issue? localrunner would probably 
suffice.

> Add AvroInputFormat and AvroOutputFormat so that hadoop can use Avro 
> Serialization
> ----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-815
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-815
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Ravi Gummadi
>            Assignee: Aaron Kimball
>         Attachments: MAPREDUCE-815.2.patch, MAPREDUCE-815.patch
>
>
> MapReduce needs AvroInputFormat similar to other InputFormats like 
> TextInputFormat to be able to use avro serialization in hadoop. Similarly 
> AvroOutputFormat is needed.

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