1. Check the error log for the MySQL 131 instance:

$ sudo tail -f /var/log/mysql/error.log

2. Check the MySQL configuration file for the instance:

$ sudo cat /etc/mysql/my.cnf

3. Check the system resources available to the instance:

$ sudo free -m

4. Check the MySQL process list for the instance:

$ sudo mysqladmin -u root -p processlist

5. Check the MySQL status for the instance:

$ sudo mysqladmin -u root -p status

6. Check the MySQL variables for the instance:

$ sudo mysqladmin -u root -p variables

7. Check the MySQL user privileges for the instance:

$ sudo mysql -u root -p -e "SELECT User, Host, Password FROM mysql.user;"

8. Check the MySQL database tables for the instance:

$ sudo mysql -u root -p -e "SHOW TABLES;"

9. Check the MySQL database table structure for the instance:

$ sudo mysql -u root -p -e "DESCRIBE table_name;"

10. Check the MySQL database table indexes for the instance:

$ sudo mysql -u root -p -e "SHOW INDEX FROM table_name;"

11. Check the MySQL database table data for the instance:

$ sudo mysql -u root -p -e "SELECT * FROM table_name;"

12. Check the MySQL database table locks for the instance:

$ sudo mysql -u root -p -e "SHOW OPEN TABLES;"

13. Check the MySQL database table triggers for the instance:

$ sudo mysql -u root -p -e "SHOW TRIGGERS;"

14. Check the MySQL database table views for the instance:

$ sudo mysql -u root -p -e "SHOW VIEWS;"

15. Use an automated database observability tool to monitor and fix the MySQL 131 in question. Automated database observability tools can provide real-time insights into the performance and health of your database, allowing you to quickly identify and address any issues that may arise. These tools can also provide detailed metrics and logs that can be used to troubleshoot and diagnose any issues that may be present.