DBCluster

Source: src/AWS/Neptune/DBCluster.ts

An Amazon Neptune graph database cluster.

DBCluster owns the writer and reader endpoints and cluster-wide networking; compute is added via DBInstance. Neptune serves Gremlin, openCypher, and SPARQL over the cluster endpoint (default port 8182) and is reachable only from inside the VPC. Provisioning a cluster plus its first instance takes ~10 minutes.

Mutable fields are reconciled in place against the observed cloud state; immutable fields (engine, dbSubnetGroupName, storageEncrypted, kmsKeyId, globalClusterIdentifier, availabilityZones) force a replacement.

Creating a Cluster

const cluster = yield* DBCluster("Graph", {
  dbSubnetGroupName: subnetGroup.dbSubnetGroupName,
  vpcSecurityGroupIds: [sg.groupId],
  enableIAMDatabaseAuthentication: true,
  backupRetentionPeriod: "1 day",
  deletionProtection: false,
});

Serverless

const cluster = yield* DBCluster("Graph", {
  dbSubnetGroupName: subnetGroup.dbSubnetGroupName,
  serverlessV2ScalingConfiguration: {
    minCapacity: 1,
    maxCapacity: 2.5,
  },
});