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https://issues.apache.org/jira/browse/HADOOP-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12571534#action_12571534
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Tom White commented on HADOOP-1986:
-----------------------------------
Mukund - Thanks for running the benchmarks.
Owen - I'm uncomfortable with the apparent overhead too. So I'm going to run
some local benchmarks to see if I can see where it's coming from.
> Add support for a general serialization mechanism for Map Reduce
> ----------------------------------------------------------------
>
> Key: HADOOP-1986
> URL: https://issues.apache.org/jira/browse/HADOOP-1986
> Project: Hadoop Core
> Issue Type: New Feature
> Components: mapred
> Reporter: Tom White
> Assignee: Tom White
> Fix For: 0.17.0
>
> Attachments: hadoop-serializer-v2.tar.gz, SerializableWritable.java,
> serializer-v1.patch, serializer-v2.patch, serializer-v3.patch,
> serializer-v4.patch, serializer-v5.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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