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Backing up DCS Instances Automatically On the DCS console, you can configure an automatic backup policy. The system then backs up data in your instances according to the backup policy. By default, automatic backup is disabled. To enable it, perform the operations described in this
Backing up DCS Instances Manually You can manually back up data in DCS instances in a timely manner. This section describes how to manually back up data in master/standby instances using the DCS console. Notes and Constraints A total of 24 latest backups (automatic and manual) can
Downloading DCS Instance Backup Files Automatically backed up data can be retained for a maximum of 7 days. Manually backed up data is not free of charge and takes space in OBS. Due to these limitations, you are advised to download the RDB and AOF backup files and permanently save
Renaming Critical Commands for DCS Instances Certain high-risk commands can be modified for DCS Redis instances. Once a command is modified, it is only known to the modifier. Running the original command by other users is blocked. Currently, you can only rename the COMMAND, KEYS,
Managing DCS Instance Shards and Replicas This section describes how to query the shards and replicas of a master/standby, cluster, or read/write splitting DCS Redis instance, and how to manually promote a replica to master. By default, a master/standby or read/write splitting instance
Configuring DCS Redis Access Whitelist DCS helps you control access to your DCS instances in the following ways, depending on the deployment mode: To control access to DCS Redis 3.0, Memcached, and Redis 6.0 professional edition instances, you can use security groups. Whitelists are
Configuring DCS Instance Parameter Templates Viewing a Parameter Template of a DCS Instance Creating a Custom Parameter Template for a DCS Instance Parent topic: Managing Instances
Viewing a Parameter Template of 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, and
Configuring DCS Redis ACL Users If you need multiple accounts for a Redis instance, use ACL to create users. ACL users support read-only or read/write permissions. Notes and Constraints Currently, DCS Redis 4.0 and 5.0 instances support user management by default. To use this function
Comparing DCS and Open-Source Cache Services DCS supports single-node, master/standby, and cluster instances, ensuring high read/write performance and fast data access. It also supports various instance management operations to facilitate your O&M. With DCS, you only need to focus
Comparing DCS Redis Instance Types Table 1 describes the differences between different Redis instance types in terms of features and commands. DCS for Redis 3.0 is no longer provided. You can use DCS for Redis 4.0 or later. Redis 7.0 is whitelist-based. To use it, contact customer
New Features of DCS for Redis 4.0 Compared with DCS for Redis 3.0, DCS for Redis 4.0 and later versions add support for the new features of open-source Redis and supports faster instance creation. Instance deployment changed from the VM mode to physical server–based containerization
New Features of DCS for Redis 5.0 DCS for Redis 5.0 is compatible with the new features of the open-source Redis 5.0, in addition to all the improvements and new commands in Redis 4.0. Stream Data Structure Stream is a new data type introduced with Redis 5.0. It supports message persistence
New Features of DCS for Redis 6.0 DCS for Redis 6.0 is compatible with the new features of the open-source Redis 6.0, in addition to all the improvements and commands in Redis 5.0. RESP3 Redis 6.0 introduced RESP3, the next-generation Redis protocol which implements more data types
Does DCS Support Sentinels? Redis 4.0 and later: Single-node, master/standby, and Redis Cluster instances do not support Sentinels. Read/Write splitting instances support Sentinels and clusters. For Proxy Cluster instances, clusters are supported by default, Sentinels are supported
Implementing Bullet-Screen and Social Comments with DCS Overview Application Scenario Scenarios such as bullet-screen comments in videos or live streaming and commenting and replying on a social website require high live efficiency and interactivity. A platform must ensure a very
Reconstructing Application System Databases with DCS Overview Application Scenario With the development of database applications like the Internet, service demands are increasing rapidly. As the data volume and concurrent access volume are increasing exponentially, conventional relational
Listing DCS Instance Backup Records Function This API is used to query the backup records of a specific DCS instance. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id}/backups Table 1 Path Parameters Parameter Mandatory Type Description
Querying DCS Instance Configuration Parameters Function This API is used to query the configuration parameters of a DCS instance. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id}/configs Table 1 Path Parameters Parameter Mandatory Type
Querying DCS Instance Restoration Records Function This API is used to query the restoration records of a specific DCS instance. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id}/restores Table 1 Path Parameters Parameter Mandatory Type
