InputFormat inputFormat = new TupleTextInputFormat(schema, false, false, ',', '"', '\\', null, null);
builder.addInput(inPath, inputFormat, new IdentityTupleMapper());
builder.setTupleReducer(new IdentityTupleReducer());
builder.setTupleOutput(outPath, schema);
Job job = builder.createJob();
try {
assertRun(job);
} finally {
builder.cleanUpInstanceFiles();
}