Before You Start
The following describes constraints on data subscription tasks. Before using DRS, you need to ensure that the source and destination databases meet the following constraints.
- Only RDS MySQL DB instances are supported.
- Currently, data subscription objects support only tables.
- The binlog_row_image format of binlogs must be set to full.
- MySQL supports only the MyISAM and InnoDB storage engines.
- MySQL supports only the following character sets: latin1, gbk, utf8, utf8mb4, and binary.
- If DCC does not support 4 vCPUs | 8 GB or larger instance specifications, the subscription task cannot be created.
DRS has the following constraints on common operations in the case of subscription failures caused by unpredictable errors or sudden environment changes:
- During data subscription, deleting subscription objects is not allowed.
Parent topic: Data Subscription
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