Modifying Instance Specifications

instance_id

Yes

String

Instance ID.

project_id

Yes

String

Project ID.

spec_code

Yes

String

Flavor after the modification. The query method is as follows:

• Method 1: Read the Service Overview document Redis 4.0 and 5.0 Instance Specifications.
• Method 2: Log in to the DCS console, click Buy DCS Instance, and check the instance flavor.
• Method 3: Call the API used to query product flavors Querying Product Flavors.

new_capacity

Yes

Number

New memory size of the DCS instance, in GB. For a single-node or master/standby DCS Redis 4.0 or 5.0 instance, the value can be 0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, or 64. For a Redis Cluster DCS Redis 4.0 or 5.0 instance, the value can be 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, or **1024. For a single-node or master/standby DCS Memcached instance, the value can be 2, 4, 8, 16, 32, or 64.

bss_param

No

BssParamEntity object

This parameter does not need to be set for pay-per-use instances.

reserved_ip

No

Array of strings

IP addresses to retain. Mandatory during cluster scale-in. If this parameter is not set, the system randomly deletes unnecessary shards.

change_type

No

String

Modification type. Mandatory when the number of replicas of a master/standby DCS Redis 4.0 or 5.0 instance is modified.

• createReplication: adding replicas
• deleteReplication: deleting replicas
• instanceType: changing the instance type. Currently, you can change a master/standby or read/write splitting DCS Redis 4.0 or 5.0 instance to the Proxy Cluster type, or from Proxy Cluster to master/standby or read/write splitting.

Enumeration values:

• createReplication
• deleteReplication
• instanceType

available_zones

No

Array of strings

Code of the AZ where each replica is in. This parameter is mandatory when you add replicas to a master/standby DCS Redis 4.0 or 5.0 instance. Before specifying an AZ, ensure that there are available resources in it.

For details, see Querying AZs.

node_list

No

Array of strings

ID of the replica to delete. This parameter is mandatory when you delete replicas of a master/standby DCS Redis 4.0 or 5.0 instance. Currently, only one replica can be deleted at a time.

For details, see Querying Details of Shards.

execute_immediately

No

Boolean

Whether to apply the change immediately. The default value is true.

• true: Apply the change immediately.
• false: Apply the change during the maintenance window.

is_auto_pay

No

String

Indicates whether fees are deducted automatically from the account balance. Non-automatic payment is used by default.

Values:

• true: Fees are automatically deducted from the account balance.
• false: The order must be paid manually. This is the default value.

Constraints: If this parameter is set to true, fees will be automatically deleted from the account balance. To use cash coupons, set this parameter to false and go to the Billing Center to make the payment.

If this parameter is set to false, go to Billing Center > Orders to pay for the order after modifying specifications. Otherwise, the order is always pending payment and the instance modification is not considered successful.

Enumeration values:

• true
• false

204

DCS instance specifications modified successfully.