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https://issues.apache.org/jira/browse/AVRO-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213071#comment-13213071
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Doug Cutting commented on AVRO-593:
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> Is it possible to move AvroSequenceFile under o.a.a ?
I discussed that above. We could move it, but we'd still need a shim in
o.a.h.io, since the subclass accesses package-private bits.
> if we need to produce two otherwise identical modules in a build – one 0.23.x
> + compatible and one for the 0.20 / 0.22 / 1.0 users
The nested Context classes in mapreduce's Mapper and Reducer went from abstract
classes to interfaces (MAPREDUCE-954), requiring re-compilation of code that
references these. But the mapreduce support added here does not reference
these. So I think we're spared.
> 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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