if (mode == TestMode.cluster) {
FSDataOutputStream fout = fs.create(new Path (inputFile));
fout.writeBytes("us\t2\n");
fout.writeBytes("japan\t2\n");
fout.writeBytes("india\t4\n");
fout.writeBytes("us\t2\n");
fout.writeBytes("japan\t1\n");
fout.writeBytes("india\t3\n");
fout.writeBytes("nouse\t5\n");
fout.writeBytes("nowhere\t4\n");