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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
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
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
Upgrading Minor or Proxy Versions of a DCS Instance DCS optimizes functions and fixes vulnerabilities in minor and proxy upgrades. This section describes how to upgrade the minor or proxy version of an instance. Upgrading the minor or proxy version does not affect the instance connection
Backup Import Between DCS Redis Instances You can migrate data between DCS instances by importing backup files. Notes and Constraints To migrate to an instance with SSL enabled, disable the SSL setting first. For details, see Transmitting DCS Redis Data with Encryption Using SSL.
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 and Modifying Basic Settings of a DCS Instance On the DCS console, you can view and modify DCS instance basic information. Viewing and Modifying Basic Information of a DCS Instance Log in to the DCS console. Click in the upper left corner of the management console and select
Viewing Slow Queries of a DCS Redis Instance Redis logs queries that exceed a specified execution time. You can view the slow logs on the DCS console to identify performance issues. Configure slow queries with the following parameters: slowlog-log-slower-than: The maximum time allowed
Changing Cluster DCS Instances to be Across AZs To implement disaster recovery, cluster instances (whose master and standby nodes are) in a single AZ can be deployed across AZs by migrating the standby nodes to other AZs. Notes and Constraints Available only for single-AZ cluster
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
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
