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https://issues.apache.org/jira/browse/MAPREDUCE-377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066658#comment-14066658
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Allen Wittenauer commented on MAPREDUCE-377:
--------------------------------------------
Since this time, protobuf is now being used for RPC serialization. But,
correct me if I'm wrong, we haven't exposed a file serialization method that
users can use for their own data. This should probably get revisited.
> Add serialization for Protocol Buffers
> --------------------------------------
>
> Key: MAPREDUCE-377
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-377
> Project: Hadoop Map/Reduce
> Issue Type: Wish
> Reporter: Tom White
> Attachments: hadoop-3788-v1.patch, hadoop-3788-v2.patch,
> hadoop-3788-v3.patch, protobuf-java-2.0.1.jar, protobuf-java-2.0.2.jar
>
>
> Protocol Buffers (http://code.google.com/p/protobuf/) are a way of encoding
> data in a compact binary format. This issue is to write a
> ProtocolBuffersSerialization to support using Protocol Buffers types in
> MapReduce programs, including an example program. This should probably go
> into contrib.
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