def METHOD_NAME(dataset_name, data):
    try:
        with lmdb.open(os.path.join(TMPDIR,f"metadata_{dataset_name}"),map_size=20971520) as env:
            with  env.begin(write=True) as  txn:
                data_bytes = pickle.dumps(data)
                txn.put(f"{dataset_name}".encode(), data_bytes)
                current_date = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
                txn.put(b"creation_date", current_date.encode())
                return "success"
    except lmdb.Error as  error:
        pass