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What Are the Differences Between DeHs and ECSs? DeHs are dedicated physical servers where the virtualization environment is deployed and are fully dedicated for your use. Your DeHs are physically isolated from those of other users. After creating a DeH, you can create ECSs on the
What Are the Specifications of VMs to Be Purchased for BCS? Purchase virtual machine (VM) resources to deploy and run the BCS instances. VMs of the following specifications are recommended. Table 1 Suggestions on VM purchase Business Phase Consensus Algorithm Recommended VM Specifications
Does BCS Support Customized Development? No. BCS does not support customized development, but it provides demos. For details, see Go SDK Demo in the Developer Guide. Parent topic: Consultation
Listing Entity Monitoring Data of a BCS Service Function This API is used to query the monitoring data list of entities of a BCS service. URI POST /v2/{project_id}/blockchains/{blockchain_id}/entity/metric/list Table 1 Path Parameters Parameter Mandatory Type Description project_id
Querying Entity Monitoring Details of a BCS Service Function This API is used to query the monitoring details of entities of a specified BCS service. URI POST /v2/{project_id}/blockchains/{blockchain_id}/entity/instance/metric/list Table 1 Path Parameters Parameter Mandatory Type
Example 1: Creating a BCS Service Scenario This section describes how to create a BCS service by calling an API. Related APIs of Other Services None Creating a BCS Service URI format POST /v2/{project_id}/blockchains Example request POST https://{bcs_endpoint}/v2/{project_id}/blockchains
Logging In to a Database Built On Huawei Cloud ECSs Step 1: Adding a DB Instance Connection Step 2: Logging In to an ECS-Hosted DB Instance Parent topic: Logging In to a DB Instance
What Are the CPU Specifications of DCS Instances? Redis Basic Edition When using DCS for Redis basic edition, you only need to pay attention to critical indicators such as QPS, bandwidth, and memory. You do not need to be concerned about CPU specifications. DCS for Redis basic edition
Does DCS for Redis Support Multi-DB? DCS's support for multiple databases (multi-DB) is as follows: Single-node, read/write splitting, and master/standby DCS Redis instances: Multi-DB is supported. By default, there are 256 databases, numbering 0–255. The default database is DB0.
Does DCS for Redis Support Pipelining? Yes. For Redis Cluster instances, ensure that all commands in a pipeline are executed on the same shard. Parent topic: Redis Commands
Commands Supported and Disabled by DCS for Redis 4.0 DCS for Redis 4.0 is developed based on Redis 4.0.14 and is compatible with open-source protocols and commands. This section describes DCS for Redis 4.0's compatibility with Redis commands, including supported and disabled commands
Commands Supported and Disabled by DCS for Redis 5.0 DCS for Redis 5.0 is developed based on Redis 5.0.9 and is compatible with open-source protocols and commands. This section describes DCS for Redis 5.0's compatibility with Redis commands, including supported and disabled commands
Commands Supported and Disabled by DCS for Redis 6.0 Huawei Cloud DCS for Redis 6.0 is fully compatible with open-source Redis 6. This section describes DCS for Redis 6.0's compatibility with KeyDB commands, including supported and disabled commands. DCS Redis instances support most
Infographics for Comparing DCS for Redis with Open-Source Redis
Distributed Cache Service (DCS) The Organizations service provides Service Control Policies (SCPs) to set access control policies. SCPs do not actually grant any permissions to a principal. They only set the permissions boundary for the principal. When SCPs are attached to a member
Why Are Some Ports of ECSs Inaccessible? When adding a security group rule, you must specify a port or port range for communications. Traffic is then allowed or denied if traffic matches this rule. Table 1 lists some high-risk ports that are blocked by default. Even if you have added
Viewing Client Information of a DCS Instance Session Session management helps addressing DCS instance performance issues or abnormal operations. Client connection information, command execution, and connection duration of a target instance session can be viewed in real time. Abnormal
Viewing Audit Logs of a DCS Redis Instance Command audit logs on the DCS console record client operations on DCS. The storage, query, and analysis of audit logs are provided by Log Tank Service (LTS). Currently, only Proxy Cluster DCS Redis 4.0 and later instances in the CN Beijing4
Creating a Custom Parameter Template for a DCS Instance System default parameter templates vary by Redis version and instance type. A system default parameter template contains default instance parameter configurations. Parameter templates can be customized for parameter configurations
Migrating Data from Self-Hosted Redis to DCS Migrating Self-Built Redis Online Self-Hosted Redis Migration with Backup Files Self-Hosted Redis Migration with redis-cli (AOF) Self-Hosted Redis Migration with redis-cli (RDB) Self-Hosted Redis Cluster Migration with redis-shake (Online
