Help Center/ Distributed Database Middleware/ Service Overview/ Use Constraints/ Data Nodes
Updated on 2024-07-30 GMT+08:00
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Data Nodes

Constraints on data nodes are as follows:

  • Data nodes can be only RDS for MySQL instances of versions 5.7 and 8.0. Serverless and container DB instances are not supported.
  • GaussDB(for MySQL) and HRDS instances are not supported.
  • DDM does not support SSL for MySQL instances.
  • Do not enable case sensitivity support for MySQL instances.
    • If you are using MySQL 5.7, select Case insensitive for Table Name when you create a MySQL instance, or set lower_case_table_names to 1 on the Parameters page after you complete the creation.
    • If you are using MySQL 8.0, select Case insensitive for Table Name when you create a MySQL instance.
  • When you modify configurations of a MySQL instance associated with DDM, an exception may occur. After the modification, click Synchronize Data Node Information on the Data Nodes page to synchronize changes from the data node to DDM.
  • Do not use character set GBK for data nodes.
Parent topic: Use Constraints