writableArr[0] = new LongWritable(3L);
writableArr[1] = new LongWritable(5L);
ArrayWritable arrWritable = new ArrayWritable(LongWritable.class);
arrWritable.set(writableArr);
masterClient.storeInformation(
masterClient.constructKey(jobID, "info", "level3"), arrWritable,
true, null);
ArrayWritable valueHolder = new ArrayWritable(LongWritable.class);
boolean getResult = masterClient.getInformation(