name : update-cluster.rst **To update a cluster** The following update-cluster`` updates the parameter group of a cluster to my-parameter-group. :: aws memorydb update-cluster \ --cluster-name my-cluster \ --parameter-group-name my-parameter-group Output:: { "Cluster": { "Name": "my-cluster", "Status": "available", "NumberOfShards": 2, "AvailabilityMode": "MultiAZ", "ClusterEndpoint": { "Address": "clustercfg.my-cluster.llru6f.memorydb.us-east-1.amazonaws.com", "Port": 6379 }, "NodeType": "db.r6g.large", "EngineVersion": "6.2", "EnginePatchVersion": "6.2.6", "ParameterGroupName": "my-parameter-group", "ParameterGroupStatus": "in-sync", "SecurityGroups": [ { "SecurityGroupId": "sg-0a143xxxxxc9fae", "Status": "active" } ], "SubnetGroupName": "pat-sg", "TLSEnabled": true, "ARN": "arn:aws:memorydb:us-east-1:491658xxxxxx:cluster/my-cluster", "SnapshotRetentionLimit": 0, "MaintenanceWindow": "wed:03:00-wed:04:00", "SnapshotWindow": "04:30-05:30", "ACLName": "my-acl", "AutoMinorVersionUpgrade": true } } For more information, see `Modifying a cluster <https://docs.aws.amazon.com/memorydb/latest/devguide/clusters.modify.html>`__ in the *MemoryDB User Guide*.