可以对租户的密码相关变量进行设置：如：

obclient> show variables like '%password%';
+--------------------------------------+-------+
| Variable_name                        | Value |
+--------------------------------------+-------+
| default_password_lifetime            | 0     |
| validate_password_check_user_name    | on    |
| validate_password_length             | 0     |
| validate_password_mixed_case_count   | 0     |
| validate_password_number_count       | 0     |
| validate_password_policy             | low   |
| validate_password_special_char_count | 0     |
+--------------------------------------+-------+
7 rows in set (0.00 sec)

obclient> 
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此外，如果是ocp方式建的，ocp默认会对密码进行负责度验证，如：