Help Center/ Data Warehouse Service/ API Reference/ API Description/ Parameter Configurations/ Modifying the Parameter Settings of a Cluster
Updated on 2026-06-22 GMT+08:00

Modifying the Parameter Settings of a Cluster

Function

This API is used to modify the parameter settings of a cluster.

Calling Method

For details, see Calling APIs.

URI

PUT /v2/{project_id}/clusters/{cluster_id}/configurations/{configuration_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. To obtain the value, see Obtaining a Project ID.

Constraints

N/A

Range

N/A

Default Value

N/A

cluster_id

Yes

String

Definition

Cluster ID. For details about how to obtain the value, see Obtaining the Cluster ID.

Constraints

N/A

Range

N/A

Default Value

N/A

configuration_id

Yes

String

Definition

Parameter template ID.

Constraints

N/A

Range

N/A

Default Value

N/A

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

configurations

Yes

Array of ConfigurationParameterValue objects

Definition

Cluster parameter configuration list.

Range

N/A

Table 3 ConfigurationParameterValue

Parameter

Mandatory

Type

Description

type

Yes

String

Definition

Parameter type.

Range

cn or dn.

name

Yes

String

Definition

Parameter name.

Range

N/A

value

Yes

String

Definition

Parameter value.

Range

N/A

Response Parameters

Status code: 200

Custer parameter settings modified.

None

Example Requests

Change the CN and DN types of the enable_constraint_optimization parameter in a cluster to off.

PUT https://{Endpoint}/v2/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/configurations/2846d355-cd2a-4239-ae54-a7aef0b7963d

{
  "configurations" : [ {
    "type" : "cn",
    "name" : "enable_constraint_optimization",
    "value" : "off"
  }, {
    "type" : "dn",
    "name" : "enable_constraint_optimization",
    "value" : "off"
  } ]
}

Example Responses

None

SDK Sample Code

The SDK sample code is as follows.

Change the CN and DN types of the enable_constraint_optimization parameter in a cluster to off.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dws.v2.region.DwsRegion;
import com.huaweicloud.sdk.dws.v2.*;
import com.huaweicloud.sdk.dws.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class UpdateConfigurationSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateConfigurationRequest request = new UpdateConfigurationRequest();
        request.withClusterId("{cluster_id}");
        request.withConfigurationId("{configuration_id}");
        ConfigurationParameterValues body = new ConfigurationParameterValues();
        List<ConfigurationParameterValue> listbodyConfigurations = new ArrayList<>();
        listbodyConfigurations.add(
            new ConfigurationParameterValue()
                .withType("cn")
                .withName("enable_constraint_optimization")
                .withValue("off")
        );
        listbodyConfigurations.add(
            new ConfigurationParameterValue()
                .withType("dn")
                .withName("enable_constraint_optimization")
                .withValue("off")
        );
        body.withConfigurations(listbodyConfigurations);
        request.withBody(body);
        try {
            UpdateConfigurationResponse response = client.updateConfiguration(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Change the CN and DN types of the enable_constraint_optimization parameter in a cluster to off.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdws.v2.region.dws_region import DwsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdws.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = DwsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DwsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UpdateConfigurationRequest()
        request.cluster_id = "{cluster_id}"
        request.configuration_id = "{configuration_id}"
        listConfigurationsbody = [
            ConfigurationParameterValue(
                type="cn",
                name="enable_constraint_optimization",
                value="off"
            ),
            ConfigurationParameterValue(
                type="dn",
                name="enable_constraint_optimization",
                value="off"
            )
        ]
        request.body = ConfigurationParameterValues(
            configurations=listConfigurationsbody
        )
        response = client.update_configuration(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Change the CN and DN types of the enable_constraint_optimization parameter in a cluster to off.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := dws.NewDwsClient(
        dws.DwsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.UpdateConfigurationRequest{}
	request.ClusterId = "{cluster_id}"
	request.ConfigurationId = "{configuration_id}"
	var listConfigurationsbody = []model.ConfigurationParameterValue{
        {
            Type: "cn",
            Name: "enable_constraint_optimization",
            Value: "off",
        },
        {
            Type: "dn",
            Name: "enable_constraint_optimization",
            Value: "off",
        },
    }
	request.Body = &model.ConfigurationParameterValues{
		Configurations: listConfigurationsbody,
	}
	response, err := client.UpdateConfiguration(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Custer parameter settings modified.

400

Request error.

401

Authentication failed.

403

You do not have required permissions.

404

No resources found.

500

Internal server error.

503

Service unavailable.