> **Experimental**
>
> `@aws-cdk/aws-neptune-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# ServerlessScalingConfiguration

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/cluster.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-neptune-alpha/lib/cluster.ts#L179)

## Example

```ts
const cluster = new neptune.DatabaseCluster(this, 'ServerlessDatabase', {
  vpc,
  instanceType: neptune.InstanceType.SERVERLESS,
  serverlessScalingConfiguration: {
    minCapacity: 1,
    maxCapacity: 5,
  },
});
```

## Properties

- `maxCapacity`: number (required) — Maximum NCU capacity (min value 2.5 - max value 128).

- `minCapacity`: number (required) — Minimum NCU capacity (min value 1).