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Can I Customize or Change the Port for Accessing a DCS Instance? You cannot customize or change the port for accessing a DCS Redis 3.0, 6.0 enterprise, or Memcached instance. You can customize and change the port for accessing a DCS Redis 4.0, 5.0, 6.0, or 7.0 basic instance. Redis
Can I Modify the Connection Addresses for Accessing a DCS Instance? After a DCS instance is created, its IP address and domain name for intra-VPC access cannot be modified. If public access has been enabled for the instance, the elastic IP address (EIP) bound to the instance can be
Why Do I Fail to Modify the Specifications for a DCS Instance? Check whether other tasks are running. Specifications of a DCS instance cannot be modified if another task of the instance is still running. For example, you cannot delete or scale up an instance while it is being restarted
Why Do I Fail to Create a DCS Redis Instance? The subnet does not have sufficient IP addresses. Analysis: Each node in a DCS instance must be assigned an IP address. Therefore, a single-node instance requires one IP address, a master/standby instance requires two IP addresses, and
How Do I Export DCS Redis Instance Data? Instance data of DCS instances other than single-node ones can be exported on the console: Go to the Cache Manager page on the DCS console. Click the name of the desired instance. The instance details page is displayed. Choose Backups & Restorations
Can I Dump DCS Memcached Instance Data for Analysis? No. Parent topic: Memcached Usage
Can I Modify Configuration Parameters of DCS Memcached Instances? Parameter configuration is allowed only when DCS instances are in the Running state. For details, see Modifying Configuration Parameters. Parent topic: Memcached Usage
How Do I View the Version of a DCS Redis Instance? Connect to the instance and run the INFO command. Figure 1 Querying instance information Parent topic: Instance Types/Versions
Why Is CPU Usage of a DCS Redis Instance 100%? Symptom The CPU usage of a Redis instance increases dramatically within a short period of time. If the CPU usage is too high, connections may time out, and master/standby switchover may be triggered. Possible Causes The service QPS is
Why Is Available Memory of Unused DCS Instances Less Than Total Memory and Why Is Memory Usage of Unused DCS Instances Greater Than Zero? For DCS Redis 3.0 instances and Memcached instances, the available memory is less than the total memory because some memory is reserved for system
What Can I Do If I Fail to Purchase a BCS Instance? General Checks Detailed Checks Parent topic: Instance Management
Can I Use ECSs to Create a Dedicated Resource Pool for ModelArts? No. This operation is not allowed. When creating a resource pool, you can only select available node flavors provided on the console. These node flavors in dedicated resource pools are from ECSs. However, the ECSs purchased
Returning the Real IP Addresses of a Client to DCS (IP Pass-through) When a client of a DCS Redis 4.0 or later instance connects to the server through a VPC endpoint, the source IP address displayed on the server belongs to the VPC endpoint (starting with 198.19), and it is not the
Will I Be Charged for the EIP Used for Public Access to a DCS Redis Instance? Yes. You must pay for the EIP used for public access to a DCS Redis 3.0 instance. Before enabling public access, you must have an available EIP. For the billing details, see the EIP pricing details. Parent
Can I Obtain the Addresses of the Nodes in a Cluster DCS Redis Instance? Cluster DCS Redis 3.0 instances (Proxy Cluster type) are used in the same way that you use single-node or master/standby instances. You do not need to know the backend node addresses. For a cluster DCS Redis
Why Does It Take a Long Time to Start a Cluster DCS Instance? Possible cause: When a cluster instance is started, status and data are synchronized between the nodes of the instance. If a large amount of data is continuously written into the instance before the synchronization is complete
Is All Data in a DCS Redis Instance Migrated During Online Migration? Migration among multi-DB single-node, read/write splitting, or master/standby instances involves the full set of data. After the migration, a given key will remain in the same DB as it was before the migration.
What Policies Does DCS for Memcached Use to Deal with Expired Data? DCS for Memcached allows you to set the expiration time for stored data based on service requirements. For example, you can set the expire time when performing the add operation. By default, data is not evicted from
Does DCS Support External Extensions, Plug-ins, or Modules? No. DCS for Redis does not support external extensions, plug-ins, or modules. There is no plan for supporting modules. Parent topic: Redis Usage
Why Can't an IAM User See a New DCS Redis Instance? Symptom An IAM user cannot see a newly created DCS Redis instance. Possible Cause The IAM user does not have permissions for the enterprise project to which the new instance belongs. Solution Log in to the DCS console. In the upper