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From "Alex Loddengaard (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3788) Add serialization for Protocol Buffers
Date Mon, 03 Nov 2008 20:38:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644801#action_12644801
] 

Alex Loddengaard commented on HADOOP-3788:
------------------------------------------

Chris, while I stagger with Protocol Buffers, you should look in to Thrift, which is described
in HADOOP-3787.

Similarly, you should learn about Hadoop Streaming ([http://wiki.apache.org/hadoop/HadoopStreaming]),
which will let you run any executable (C++, Python, etc).

> Add serialization for Protocol Buffers
> --------------------------------------
>
>                 Key: HADOOP-3788
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3788
>             Project: Hadoop Core
>          Issue Type: Wish
>          Components: contrib/serialization, examples, mapred
>            Reporter: Tom White
>            Assignee: Alex Loddengaard
>             Fix For: 0.20.0
>
>         Attachments: hadoop-3788-v1.patch, hadoop-3788-v2.patch, protobuf-java-2.0.1.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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