Help Center> Distributed Cache Service> API Reference> API V2> Parameter Management> Asynchronously Modifying Instance Configuration Parameters
Updated on 2024-04-09 GMT+08:00

Asynchronously Modifying Instance Configuration Parameters

Function

This API is used to modify the configuration parameters of a DCS instance to optimize DCS performance as required.

Calling Method

For details, see Calling APIs.

URI

PUT /v2/{project_id}/instances/{instance_id}/async-configs

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID.

instance_id

Yes

String

Instance ID.

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

redis_config

No

Array of RedisConfig objects

Array of configuration items of the DCS instance.

Table 3 RedisConfig

Parameter

Mandatory

Type

Description

param_value

Yes

String

Value of the configuration item.

param_name

Yes

String

Configuration item name.

param_id

Yes

String

Configuration item ID.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

job_id

String

ID of a configuration update task.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Example Requests

PUT https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/async-configs

{
  "redis_config" : [ {
    "param_id" : "1",
    "param_name" : "timeout",
    "param_value" : "1000"
  } ]
}

Example Responses

Status code: 200

Successfully sent the asynchronous parameter modification request.

{
  "job_id" : "8abf6e1e7bceacf6017bcf3d9e880188"
}

SDK Sample Code

The SDK sample code is as follows.

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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.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;

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

public class UpdateInstanceConfigSolution {

    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");

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

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateInstanceConfigRequest request = new UpdateInstanceConfigRequest();
        ModifyRedisConfigBody body = new ModifyRedisConfigBody();
        List<RedisConfig> listbodyRedisConfig = new ArrayList<>();
        listbodyRedisConfig.add(
            new RedisConfig()
                .withParamValue("1000")
                .withParamName("timeout")
                .withParamId("1")
        );
        body.withRedisConfig(listbodyRedisConfig);
        request.withBody(body);
        try {
            UpdateInstanceConfigResponse response = client.updateInstanceConfig(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());
        }
    }
}
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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = UpdateInstanceConfigRequest()
        listRedisConfigbody = [
            RedisConfig(
                param_value="1000",
                param_name="timeout",
                param_id="1"
            )
        ]
        request.body = ModifyRedisConfigBody(
            redis_config=listRedisConfigbody
        )
        response = client.update_instance_config(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

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

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

    client := dcs.NewDcsClient(
        dcs.DcsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.UpdateInstanceConfigRequest{}
	var listRedisConfigbody = []model.RedisConfig{
        {
            ParamValue: "1000",
            ParamName: "timeout",
            ParamId: "1",
        },
    }
	request.Body = &model.ModifyRedisConfigBody{
		RedisConfig: &listRedisConfigbody,
	}
	response, err := client.UpdateInstanceConfig(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

Successfully sent the asynchronous parameter modification request.

204

No parameter is modified and no asynchronous task is performed. The operation completes.

400

Invalid request.

500

Internal service error.

Error Codes

See Error Codes.