Redis data synchronization solutions - Tair (Redis® OSS-Compatible)

Tair (Redis OSS-compatible) provides multiple data synchronization solutions by using Data Transmission Service (DTS) to cater to diverse scenarios such as data synchronization to the cloud, active geo-redundancy, disaster recovery, and data analytics.

DTS

Alibaba Cloud DTS is a real-time data streaming service that integrates data migration, data subscription, and data synchronization into a single comprehensive service to ensure stable and secure data transmission. DTS supports full data migration and incremental data migration with minimal downtime. This ensures service availability.

Table 1. Availability of DTS to synchronize data from or to a database

Tool	Supported source database	Supported destination database	Supported architecture	Supported synchronization topology
DTS (recommended)	Self-managed Redis 2.8, 3.0, 3.2, 4.0, 5.0, 6.0, or 7.0 databases Redis Open-Source Edition 4.0, 5.0, 6.0, or 7.0 instances Tair (Enterprise Edition) instances	Redis Open-Source Edition 4.0, 5.0, 6.0, or 7.0 instances Tair (Enterprise Edition) instances	Standard master-replica architecture Cluster architecture Read/write splitting architecture	One-way synchronization Two-way synchronization Cross-account synchronization

Required permissions

The permissions that are required by DTS vary based on synchronization scenarios. Before you configure data synchronization, you must obtain the required permissions on the source and destination databases based on the synchronization scenarios. The following table describes the required permissions.

Note

For information about how to create an account for a Tair (Redis OSS-compatible) instance and grant the required permissions to the account, see Create and manage database accounts.

Table 2. Required permissions

Tool	Synchronization scenario	Permission on the source database	Permission on the destination database
DTS (recommended)	Synchronize data between Tair (Redis OSS-compatible) instances that belong to the same Alibaba Cloud account Synchronize data from a Tair (Redis OSS-compatible) instance to a self-managed Redis database Synchronize data between Tair (Redis OSS-compatible) instances that belong to different Alibaba Cloud accounts	Read permissions	Read and write permissions
DTS (recommended)	Synchronize data from a self-managed Redis database to a Tair (Redis OSS-compatible) instance Synchronize data between self-managed Redis databases	Permissions to run the SYNC or PSYNC command	Read and write permissions

Data synchronization solutions

Important

The configuration methods for different scenarios are similar. The following table describes the solutions for common data synchronization scenarios. If your synchronization scenario is not included in the following table, you can view the topics about similar scenarios and configure the required permissions.

Scenario	Tool	Solution
Synchronize data from a self-managed database to a Tair (Redis OSS-compatible) instance	DTS	Synchronize data from a self-managed Redis database hosted on an ECS instance to an Tair (Redis OSS-Compatible) instance
Synchronization between Tair (Redis OSS-compatible) instances	DTS	Configure one-way data synchronization between instances
		Configure two-way data synchronization between Tair instances
		Configure one-way data synchronization between Tair (Redis OSS-compatible) instances across Alibaba Cloud accounts