BSPJob job = KMeansBSP.createJob(conf, in, out, true);
job.setNumBspTask(numBspTask);
// just submit the job
boolean result = job.waitForCompletion(true);
assertEquals(true, result);
HashMap<Integer, DoubleVector> centerMap = KMeansBSP.readClusterCenters(
conf, out, centerOut, fs);