private static byte[] createCleanByteArray() {
    byte[] cleanByteArray = new byte[RESPONSE_HEADER_LENGTH];
    for (int i = 0; i < cleanByteArray.length; i++) {
      cleanByteArray[i] = 0;
    }
    return cleanByteArray;
  }
Returns an initialized byteBuffer for sending the reply

@param size size of ByteBuffer
@return the initialized response buffer
geode-memcached/src/main/java/org/apache/geode/internal/memcached/RequestReader.java