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https://issues.apache.org/jira/browse/MAPREDUCE-218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved MAPREDUCE-218.
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Resolution: Won't Fix
Users may override/extend the SFOF if they want to utilize
SequenceFile.Writer's new metadata methods/features.
> Map/Reduce job with SequenceFileOutputFormat should be able to add user
> specified metadata to the output file
> -------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-218
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-218
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Runping Qi
>
> When creating a map/reduce job with SequenceFileFormat,
> the user would like to add some metada to the output files automatically.
> In particular, if the output value class was a JuteRecord class generated
> from a Jute IDL,
> we would like to add JUTE_IDL/IDL_STRING as a attribute/value pair of the
> metadata.
> This way, the output files will be self describing:
> When an application that tries to use the files may not have the value class
> with it.
> But the application can use Jute tool to generate the classes on demand.
> Or better yet, the SequenceFile record reader may be able to do that
> automatically.
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