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To access a DCS Memcached instance, you must use an ECS that is in the same VPC as the DCS instance. In the application development and debugging phase, you can also use an SSH agent to access DCS Memcached instances in the local environment.
The migration task uses a tenant IP address (Migration ECS displayed on the Basic Information page of the task). If the target Redis has an IP whitelist, this IP address must be added to the whitelist.
The migration task uses a tenant IP address (Migration ECS displayed on the Basic Information page of the task). If the target Redis has an IP whitelist, this IP address must be added to the whitelist.
The online migration task uses a tenant IP address (Migration ECS displayed on the Basic Information page of the task.) If a whitelist is configured for the source or target instance, add the migration IP address to the whitelist or disable the whitelist.
The online migration task uses a tenant IP address (Migration ECS displayed on the Basic Information page of the task.) If a whitelist is configured for the source or target instance, add the migration IP address to the whitelist or disable the whitelist.
The online migration task uses a tenant IP address (Migration ECS displayed on the Basic Information page of the task.) If a whitelist is configured for the source or target instance, add the migration IP address to the whitelist or disable the whitelist.
Ranking with DCS Overview Ranking is a function commonly used on web pages and apps. It is implemented by listing key-values in descending order. However, a huge number of concurrent operation and query requests can result in a performance bottleneck, significantly increasing latency
DCS Metrics Introduction This section describes DCS metrics reported to Cloud Eye as well as their namespaces and dimensions. You can use the Cloud Eye console or call APIs to query the DCS metrics and alarms. Table 1 compares instance metrics. Table 1 Monitoring dimensions for different
Restarting DCS Instances or Clearing DCS Instance Data Function This API is used to restart a running DCS instance. Data clearance operations cannot be undone on DCS Redis 4.0 and later instances. Calling Method For details, see Calling APIs. URI PUT /v2/{project_id}/instances/status
Restarting DCS Instances or Clearing DCS Instance Data Function This API is used to restart a running DCS instance. Data clearance operations cannot be undone on DCS Redis 4.0 and 5.0 instances. URI PUT /v1.0/{project_id}/instances/status Table 1 describes the parameter. Table 1 Parameter
Auto-renewing a DCS Instance Auto-renewal is easier and prevents DCS instances from being automatically deleted if you forget to manually renew them. The auto-renewal rules are as follows: The first auto-renewal date and billing period are calculated based on the expiration date of
Restoring a DCS Instance Function This API is used to restore the backup data to a specific DCS instance. Only master/standby and cluster DCS instances can be backed up and restored, while single-node instances cannot. Calling Method For details, see Calling APIs. URI POST /v2/{project_id
Querying a DCS instance Function This API is used to query the details about a specified DCS instance. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id} Table 1 Path Parameters Parameter Mandatory Type Description instance_id Yes String
Creating a DCS Instance Function This API is used to create a DCS instance billed in pay-per-use mode. URI POST /v1.0/{project_id}/instances Table 1 describes the parameter. Table 1 Parameter description Parameter Type Mandatory Description project_id String Yes Project ID. For details
Querying a DCS Instance Function This API is used to query the details about a specified DCS instance. URI GET /v1.0/{project_id}/instances/{instance_id} Table 1 describes the parameters. Table 1 Parameter description Parameter Type Mandatory Description project_id String Yes For
Restoring a DCS Instance Function This API is used to restore a specified DCS instance. Only master/standby and cluster DCS instances can be backed up and restored, while single-node instances cannot. URI POST /v1.0/{project_id}/instances/{instance_id}/restores Table 1 describes the
DCS Instance Statuses Table 1 DCS instance statuses State Description CREATING Creating is the status before the Running state. CREATEFAILED The DCS instance failed to be created. RUNNING The instance is running properly. Only instances in the Running state can provide in-memory cache
Creating a DCS Instance Function This API is used to create a DCS instance which is billed in pay-per-use mode. Calling Method For details, see Calling APIs. URI POST /v2/{project_id}/instances Table 1 Path Parameters Parameter Mandatory Type Description project_id Yes String Project
Suggestions on Using DCS Service Usage Principle Description Remarks Deploy services nearby to reduce latency. If your service and DCS instance are deployed far from each other (not in the same region) or with a high latency (connected through public networks), the read/write performance
DCS Data Security Security is a shared responsibility between Huawei Cloud and you. Huawei Cloud is responsible for the security of cloud services to provide a secure cloud. As a tenant, you should properly use the security capabilities provided by cloud services to protect data,
