private byte[] generateValue() {
    Random rand = ThreadLocalRandom.current();
    byte[] v = new byte[Math.max(1, valueLen + nextInRange(LEN_VARIATION))];
    for (int i = 0; i < v.length; ++i) {
      v[i] = (byte) rand.nextInt(256);
    }
    return v;
  }
Runs the tools.
@param args command-line arguments
@return true in case of success
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/CreateRandomStoreFile.java