for (int nloop = 0; nloop < n; nloop++) {
long datasetSize = 100;
MersenneTwisterRNG rng = new MersenneTwisterRNG();
byte[] seed = rng.getSeed();
double threshold = rng.nextDouble();
JobConf conf = new JobConf();
RndLineRecordReader rndReader;
Set<Long> dataset = new HashSet<Long>();
LongWritable key = new LongWritable();