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The data restored using BR cannot be replicated to the downstream. This is because BR directly imports SST files but the downstream cluster currently cannot obtain these files from the upstream.
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Before v4.0.3, DDL jobs generated during the restore might cause unexpected DDL executions in TiCDC/Drainer. Therefore, if you need to perform restore on the upstream cluster of TiCDC/Drainer, add all tables restored using br command-line tool to the TiCDC/Drainer block list.
You can use filter.rules to configure the block list for TiCDC and use syncer.ignore-table to configure the block list for Drainer.