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Posted to common-dev@hadoop.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2007/11/28 22:56:43 UTC

[jira] Updated: (HADOOP-1986) Add support for a general serialization mechanism for Map Reduce

     [ https://issues.apache.org/jira/browse/HADOOP-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tom White updated HADOOP-1986:
------------------------------

    Attachment: serializer-v2.patch

> Add support for a general serialization mechanism for Map Reduce
> ----------------------------------------------------------------
>
>                 Key: HADOOP-1986
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1986
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Tom White
>            Assignee: Tom White
>             Fix For: 0.16.0
>
>         Attachments: hadoop-serializer-v2.tar.gz, SerializableWritable.java, serializer-v1.patch, serializer-v2.patch
>
>
> Currently Map Reduce programs have to use WritableComparable-Writable key-value pairs. While it's possible to write Writable wrappers for other serialization frameworks (such as Thrift), this is not very convenient: it would be nicer to be able to use arbitrary types directly, without explicit wrapping and unwrapping.

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