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What Can I Do If a BCS Instance Is in the Unknown State? Symptom The BCS instance is in the Unknown state. Fault Locating Check item 1: Check whether the cluster is hibernated. Check item 2: Check whether the cluster exists. Solution Check item 1: Check whether the cluster is hibernated
What Competitive Advantages Does Huawei Cloud BCS Have? BCS provides multiple options of consensus algorithms, visualized smart contract (chaincode) management, and security and privacy protection (using OSCCA-published cryptographic algorithms, homomorphic encryption, and zero-knowledge
Can Multiple ECSs Connect to the Same RDS DB Instance? Multiple ECSs can connect to the same RDS DB instance as long as the capability limits of a database are not exceeded. Parent topic: Product Consulting
Do I Need to Pay for ECSs Deployed on My DeHs? No fees are needed for ECSs on your DeHs. However, if your ECSs have EVS disks attached or EIPs bound, you need to pay for the EVS disks and EIPs you used. Parent topic: FAQ
Do I Need to Pay for ECSs Deployed on My DeHs? No fees are needed for ECSs on your DeHs. However, if your ECSs have EVS disks attached or EIPs bound, you need to pay for the EVS disks and EIPs you used. Parent topic: Billing FAQs
In Which Direction and What Capabilities Will Huawei Cloud BCS Develop? BCS will improve its competitiveness in terms of availability, security, performance, and blockchain ecosystem (such as the smart contract library and blockchain tool kits). It will continuously develop to provide
Querying Service Ticket Limits (Such As Limited CCs in an Email) Function Query service ticket limits, such as limited CCs in an email. URI GET /v2/servicerequest/config/limits Request Parameters Table 1 Request header parameters Parameter Mandatory Type Description X-Auth-Token Yes
Public Access to a DCS Redis 3.0 Instance (Discontinued) Enabling Public Access of a DCS Redis 3.0 Instance Connecting to Redis 3.0 over a Public Network on redis-cli Parent topic: Accessing a DCS Redis Instance
Commands Supported and Disabled by DCS for Redis 3.0 (Discontinued) DCS for Redis 3.0 is developed based on Redis 3.0.7 and is compatible with open-source protocols and commands. This section describes DCS for Redis 3.0's compatibility with Redis commands, including supported commands
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
Can I Change the VPC and Subnet for a DCS Redis Instance? No. Once an instance is created, its VPC and subnet cannot be changed. To use a different set of VPC and subnet, create another instance with a desired set of VPC and subnet and then migrate data as required. For details about
Do DCS Redis Instances Limit the Size of a Key or Value? The maximum allowed size of a key is 512 MB. To reduce memory usage and facilitate key query, ensure that each key does not exceed 1 KB. The maximum allowed size of a string is 512 MB. The maximum allowed size of a Set, List
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
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
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
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
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
