MySQL 1755

This error indicates that MySQL cannot execute a query in parallel due to a conflict with the query's syntax.

How It Affects Your App

MySQL 1755 ER_MTS_CANT_PARALLEL error indicates that the application is not able to use the parallel replication feature of MySQL. This means that the application will not be able to replicate data across multiple servers in parallel, which can lead to slower replication times and increased latency. This can have a significant impact on the performance of the application, as it will take longer to replicate data and the application may not be able to keep up with the demand.

How To Fix

1. Identify the root cause of the MySQL 1755 error:SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE COMMAND = 'Sleep';
2. Check the MySQL configuration settings to ensure that the max_connections parameter is set to a value that is appropriate for the system:SHOW VARIABLES LIKE 'max_connections';
3. Increase the value of the max_connections parameter if necessary:SET GLOBAL max_connections = 1000;
4. Check the MySQL error log to identify any other potential issues:SHOW VARIABLES LIKE 'log_error';
5. Restart the MySQL server to apply the changes:sudo service mysql restart
6. Monitor the MySQL server to ensure that the MySQL 1755 error does not recur:mysqladmin -u root -p extended-status
7. Use an automated database observability tool to monitor and fix the MySQL 1755 in question. Automated database observability tools can provide real-time visibility into the performance and health of the database, as well as alerting and automated remediation capabilities. This can help to ensure that any potential issues are identified and addressed quickly and efficiently.

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