MySQL 3120

This error indicates that a tablespace cannot be dropped because it is not empty. MySQL 3120 is an error code that is generated when a user attempts to drop a tablespace that contains data.

How It Affects Your App

MySQL 3120 ER_TABLESPACE_IS_NOT_EMPTY indicates that the tablespace is not empty and cannot be dropped. This error can prevent the application from performing certain operations, such as creating a new table or dropping an existing table. It can also prevent the application from performing certain queries, such as SELECT or UPDATE. This can lead to unexpected results and can cause the application to crash or malfunction. In addition, it can lead to data loss or corruption.

How To Fix

1. Check the error log for the MySQL 3120 error:
$ tail -f /var/log/mysql/error.log
2. Check the MySQL configuration file for any misconfigurations:
$ cat /etc/mysql/my.cnf
3. Check the MySQL process list for any suspicious activity:
$ mysqladmin -u root -p processlist
4. Check the MySQL user table for any suspicious users:
$ mysql -u root -p -e "SELECT * FROM mysql.user;"
5. Check the MySQL grant tables for any suspicious grants:
$ mysql -u root -p -e "SELECT * FROM mysql.db;"
6. Check the MySQL system variables for any misconfigurations:
$ mysql -u root -p -e "SHOW VARIABLES;"
7. Check the MySQL system status for any misconfigurations:
$ mysql -u root -p -e "SHOW STATUS;"
8. Use an automated database observability tool to monitor and fix the MySQL 3120 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 fix any issues that may arise.

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