Description
classifier.df.tools.Describe does not handle -D parameters:
hadoop jar mahout-examples-0.9.0.2.1.3.0-1887-job.jar org.apache.mahout.classifier.df.tools.Describe -Dio.sort.factor=30 --path /user/hdp/glass.data --file /user/hdp/glass2.info --descriptor I 9 N L
Output:
org.apache.commons.cli2.OptionException: Unexpected -Dio.sort.factor while processing Options
Credit to Dave Wannemacher reporting this issue.