Modifying Configuration Parameters
Function
You can modify the configuration parameters of your DCS instance to optimize DCS performance based on your requirements.
Calling Method
For details, see Calling APIs.
URI
PUT /v2/{project_id}/instances/{instance_id}/configs
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
instance_id |
Yes |
String |
Instance ID. |
project_id |
Yes |
String |
Project ID. For details, see Obtaining a Project ID. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
redis_config |
No |
Array of RedisConfig objects |
Array of configuration items of the DCS instance. |
Response Parameters
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Error message. |
error_code |
String |
Error code. |
error_ext_msg |
String |
Extended error information. This parameter is not used currently and is set to null. |
Status code: 500
Parameter |
Type |
Description |
---|---|---|
error_msg |
String |
Error message. |
error_code |
String |
Error code. |
error_ext_msg |
String |
Extended error information. This parameter is not used currently and is set to null. |
Example Requests
Modifying the instance configuration parameters. For example, set the timeout parameter (maximum amount of idle time after which a client connection is terminated) to 1000 seconds.
PUT https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/configs { "redis_config" : [ { "param_id" : "1", "param_name" : "timeout", "param_value" : "1000" } ] }
Example Responses
None
SDK Sample Code
The SDK sample code is as follows.
Modifying the instance configuration parameters. For example, set the timeout parameter (maximum amount of idle time after which a client connection is terminated) to 1000 seconds.
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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 UpdateConfigurationsSolution { 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); DcsClient client = DcsClient.newBuilder() .withCredential(auth) .withRegion(DcsRegion.valueOf("<YOUR REGION>")) .build(); UpdateConfigurationsRequest request = new UpdateConfigurationsRequest(); request.withInstanceId("{instance_id}"); 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 { UpdateConfigurationsResponse response = client.updateConfigurations(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()); } } } |
Modifying the instance configuration parameters. For example, set the timeout parameter (maximum amount of idle time after which a client connection is terminated) to 1000 seconds.
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# coding: utf-8 import os 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 = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = DcsClient.new_builder() \ .with_credentials(credentials) \ .with_region(DcsRegion.value_of("<YOUR REGION>")) \ .build() try: request = UpdateConfigurationsRequest() request.instance_id = "{instance_id}" listRedisConfigbody = [ RedisConfig( param_value="1000", param_name="timeout", param_id="1" ) ] request.body = ModifyRedisConfigBody( redis_config=listRedisConfigbody ) response = client.update_configurations(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Modifying the instance configuration parameters. For example, set the timeout parameter (maximum amount of idle time after which a client connection is terminated) to 1000 seconds.
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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") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := dcs.NewDcsClient( dcs.DcsClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.UpdateConfigurationsRequest{} request.InstanceId = "{instance_id}" var listRedisConfigbody = []model.RedisConfig{ { ParamValue: "1000", ParamName: "timeout", ParamId: "1", }, } request.Body = &model.ModifyRedisConfigBody{ RedisConfig: &listRedisConfigbody, } response, err := client.UpdateConfigurations(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 |
---|---|
204 |
DCS instance configurations modified successfully. |
400 |
Invalid request. |
500 |
Internal service error. |
Error Codes
See Error Codes.
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