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Why does actual-data-nodes work without specifying physical tables explicitly?

![image](https://github.com/user-attachments/assets/532c1c96-1e2b-4995-a453-11d1e1b96d15) ![image](https://github.com/user-attachments/assets/a269b919-580d-4e94-bf11-beff669d4f06) I have debugged the variables availableTargetNames and actualTarget as you suggested. availableTargetNames contains the logical table name agreement. actualTarget contains a single physical table name agreement_2. From this,...

split的优化点

您好, 刚好也在做分表数据迁移,现在的大表是雪花ID，打算用datax，他这个split支持雪花id吧？

split的优化点

> > 您好, 刚好也在做分表数据迁移,现在的大表是雪花ID，打算用datax，他这个split支持雪花id吧？ > > 可以的如某个分片的数据量非常大,会有数据倾斜。您有什么好处理的方法吗?