Error
Error Code:
1753
MariaDB Error 1753: Feature Unsupported in MTS Slave
Description
This error indicates that a specific feature, operation, or SQL statement is not compatible with MariaDB's multi-threaded slave (MTS) replication mode. It typically occurs when a replica server, configured for MTS, attempts to execute or apply a log event that involves such an unsupported feature.
Error Message
%s is not supported in multi-threaded slave mode. %s
Known Causes
3 known causesIncompatible Feature Usage
Attempting to use a specific MariaDB feature or operation on the slave that is explicitly not designed or allowed to work within a multi-threaded replication environment.
Replication Configuration Mismatch
The slave's replication configuration might inadvertently enable MTS while simultaneously attempting to utilize features that are known to be incompatible with this mode.
Version Incompatibility Post-Upgrade
After a MariaDB upgrade or migration, a feature that previously functioned might no longer be supported or behave differently in MTS mode in the newer version.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service