How It Affects Your App
The ER_USER_LIMIT_REACHED error indicates that the maximum number of user connections has been reached. This can cause the application to become unresponsive or crash, as it will be unable to accept any new connections. Additionally, existing connections may be dropped, resulting in data loss or corruption. This can have a significant impact on the application, as users may be unable to access the application or their data.
How To Fix
1. Check the user privileges:SELECT USER, HOST FROM mysql.user;
2. Check the user's max_user_connections setting:SELECT USER, MAX_USER_CONNECTIONS FROM mysql.user;
3. Increase the max_user_connections setting for the user:SET GLOBAL max_user_connections = 1000;
4. Check the user's max_connections setting:SELECT USER, MAX_CONNECTIONS FROM mysql.user;
5. Increase the max_connections setting for the user:SET GLOBAL max_connections = 1000;
6. Flush the privileges:FLUSH PRIVILEGES;
7. Restart the MySQL server:sudo service mysql restart
8. Use an automated database observability tool to monitor and fix the MySQL 1226 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide real-time insights into the performance of the database. This can help to prevent future issues and ensure that the database is running optimally.