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https://issues.apache.org/jira/browse/MAPREDUCE-738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated MAPREDUCE-738:
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Status: Open (was: Patch Available)
* Please regenerate the patch relative to the root and trunk (there are some
conflicts in MapFile)
* Since the project has split, this will need a separate issue in
[COMMON|https://issues.apache.org/jira/browse/HADOOP] for the changes to the
o.a.h.io.\* classes, linked to this issue. The MapFileOutputFormat changes can
be included here.
* In the other issue, this should add a unit test using a non-Writable
serialization (o.a.h.io.serializer.JavaSerialization?)
> MapFile doesn't work with serializables other than Writables
> ------------------------------------------------------------
>
> Key: MAPREDUCE-738
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-738
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Justin Patterson
> Attachments: HADOOP-6129.patch
>
>
> Since 0.18 (I think), SequenceFiles have supported serializing arbitrary
> objects through the serialization framework. MapFiles still don't. They
> require WritableComparable keys and Writable values.
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