static std::map< int, std::vector< std::pair< std::string_view, std::string_view > > > partitioning( const std::vector< std::string > &keys, const std::vector< std::string > &values ) {
    std::map< int, std::vector< std::pair< std::string_view, std::string_view > > > result;

	for( unsigned idx = 0; idx < keys.size( ); ++idx ) {
		int hash = keyHash( keys[idx] );
		result[hash].emplace_back( keys[idx], values[idx] );
	}

    return result;
}

if( conn.alone ) {
		// Alone.
		for( const auto &item : partitions ) {
			redis_adaptors::Set< sw::redis::RedisCluster >::set( conn.alone.get( ), item->second, conn.options.batchSize );
		}
	} else {
		// Cluster.
		for( const auto &item : partitions ) {
			redis_adaptors::Set< sw::redis::RedisCluster >::set( conn.cluster.get( ), item->second, conn.options.batchSize );
		}
	}

terminate called after throwing an instance of 'sw::redis::ReplyError'
  what():  CROSSSLOT Keys in request don't hash to the same slot
Aborted

validateTransaction(callbackBody.paymentId) { txParams ->
        final def hashKey = txParams["routing.hashKey"]
        String rawExpectedHmac = callbackBody.with{
            "paymentId=${paymentId}&amount=${amount}&status=${status}&accesskey=${hashKey}"
        }

        return equalsIgnoreCase(callbackBody?.hmac as String, md5Hex(rawExpectedHmac))
    }

def funcion () {...}
unaClosure { dato ->
  funcion(dato)
}

Start SET ...
End SET. Time: 32317ms