cli.addOption("jar", false, "job jar file", "path");
cli.addOption("inputformat", false, "java classname of InputFormat",
"class");
//cli.addArgument("javareader", false, "is the RecordReader in Java");
cli.addOption("map", false, "java classname of Mapper", "class");
cli.addOption("partitioner", false, "java classname of Partitioner",
"class");
cli.addOption("reduce", false, "java classname of Reducer", "class");
cli.addOption("writer", false, "java classname of OutputFormat", "class");
cli.addOption("program", false, "URI to application executable", "class");
cli.addOption("reduces", false, "number of reduces", "num");