def hadoop_output_format(self):
        return self.HADOOP_OUTPUT_FORMAT

    ### Partitioning ###

    #: Optional Hadoop partitioner class to use to determine how mapper
    #: output should be sorted and distributed to reducers. For example:
    #: ``'org.apache.hadoop.mapred.lib.HashPartitioner'``.
    #:
    #: If you require more sophisticated behavior, try :py:meth:`partitioner`.
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