[ http://issues.apache.org/jira/browse/HADOOP-647?page=all ]
Doug Cutting updated HADOOP-647:
--------------------------------
Status: Resolved (was: Patch Available)
Resolution: Fixed
I just committed this. Thanks, Owen!
> Map outputs can't have a different type of compression from the reduce outputs
> ------------------------------------------------------------------------------
>
> Key: HADOOP-647
> URL: http://issues.apache.org/jira/browse/HADOOP-647
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.7.2
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Fix For: 0.8.0
>
> Attachments: map-out-compress-type-2.patch,
> map-out-compress-type.patch
>
>
> Right now there is only a single knob to control the compression type for
> sequence files. Sorting and merging is faster with record compression, but
> the files are smaller with block compression. I'd like to introduce a
> mapOutputCompressionType that lets the application control how the map
> outputs are compressed.
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