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7.6.7.14 Clone Plugin Limitations

The clone plugin is subject to these limitations:

  • An instance cannot be cloned from a different MySQL server series. For example, you cannot clone between MySQL 8.0 and MySQL 8.4, but can clone within a series such as MySQL 8.4.1 and MySQL 8.4.13.

  • Only a single MySQL instance can be cloned at a time. Cloning multiple MySQL instances in a single cloning operation is not supported.

  • The X Protocol port specified bymysqlx_port is not supported for remote cloning operations (when specifying the port number of the donor MySQL server instance in aCLONE INSTANCE statement).

  • The clone plugin does not support cloning of MySQL server configurations. The recipient MySQL server instance retains its configuration, including persisted system variable settings (seeSection 7.1.9.3, “Persisted System Variables”.)

  • The clone plugin does not support cloning of binary logs.

  • The clone plugin only clones data stored inInnoDB. Other storage engine data is not cloned.MyISAM andCSV tables stored in any schema including thesys schema are cloned as empty tables.

  • Connecting to the donor MySQL server instance through MySQL Router is not supported.

  • Local cloning operations do not support cloning of general tablespaces that were created with an absolute path. A cloned tablespace file with the same path as the source tablespace file would cause a conflict.