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Nacos Version Downgrade

If you are using a version higher than Nacos 2.1.x and want to downgrade to a version lower than 2.1.x while using an external database, you can follow the steps below to downgrade the version:

  1. Identify the Nacos CR (Custom Resource) resource that needs to be downgraded.

    kubectl get nacos -A

  2. Modify the image field and replace it with the desired version for downgrade.

  3. Modify the database using the following SQL statements:

    alter table config_info drop column encrypted_data_key;
alter table config_info_beta drop column encrypted_data_key;
alter table his_config_info drop column encrypted_data_key;

  4. Restart the StatefulSet of this Nacos deployment.

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