变更指定实例的带宽
功能介绍
Redis 4.0及之后版本的实例,支持临时扩容缓存实例带宽,用于临时解决业务流量高峰,带宽超限的问题。实例带宽扩容后,带宽为原带宽的2倍。Proxy集群实例带宽上限为10000Mbit/s,达到上限后无法扩容。一次带宽临时扩容的有效期为7天,到期后恢复为原带宽,失效1天后可再次申请扩容,一个实例最多扩容3次。
调用方法
请参见如何调用API。
URI
PUT /v2/{project_id}/instances/{instance_id}/bandwidth
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。获取方法请参见获取项目ID。 |
instance_id |
是 |
String |
实例ID。 |
请求参数
无
响应参数
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
错误信息。 |
error_code |
String |
错误码。 |
error_ext_msg |
String |
扩展错误信息(暂未使用,赋值为null)。 |
请求示例
PUT https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/bandwidth
响应示例
无
SDK代码示例
SDK代码示例如下。
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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.*; public class UpdateInstanceBandwidthSolution { 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(); UpdateInstanceBandwidthRequest request = new UpdateInstanceBandwidthRequest(); request.withInstanceId("{instance_id}"); try { UpdateInstanceBandwidthResponse response = client.updateInstanceBandwidth(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 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 = UpdateInstanceBandwidthRequest() request.instance_id = "{instance_id}" response = client.update_instance_bandwidth(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") 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.UpdateInstanceBandwidthRequest{} request.InstanceId = "{instance_id}" response, err := client.UpdateInstanceBandwidth(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。
状态码
状态码 |
描述 |
---|---|
200 |
带宽变更成功。 |
400 |
非法请求。 |
500 |
内部服务错误。 |
错误码
请参见错误码。