MySQL 3112

This error indicates that the auto-positioning feature cannot be used when GTID mode is off. It is a MySQL error code 3112.

How It Affects Your App

This error indicates that the application is attempting to use the AUTO_POSITION option with GTID mode disabled. This will prevent the application from being able to replicate data from the master server to the slave server, as the AUTO_POSITION option is required for replication when GTID mode is disabled. As a result, the application will not be able to keep the data in sync between the master and slave servers, leading to data inconsistency and potential data loss.

How To Fix

1. Check the error log for the MySQL 3112 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 3112 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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