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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1634) add input and output formats for Avro value wrappers
Date Wed, 31 Mar 2010 23:00:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852156#action_12852156
] 

Chris Douglas commented on MAPREDUCE-1634:
------------------------------------------

bq. The Avro version of the patch is at AVRO-493.

I read this; sorry if I missed answers to my questions, there.

So by adding these classes the Avro jar, one could run Avro through existing clusters. In
that issue, it's mentioned that Amazon runs 0.18, most deployments run a version of Hadoop
based on 0.20, etc. It's pragmatic to package these classes in Avro, but long-term... even
in that light it makes sense to package this with Avro, I suppose. +1

> add input and output formats for Avro value wrappers
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-1634
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1634
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: client
>            Reporter: Doug Cutting
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1634.patch
>
>
> HADOOP-6660 proposes adding an AvroValue wrapper for Avro data.  We should add InputFormat
and OutputFormat implementations for Avro data files that use this.

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