Error
Error Code:
3080
MySQL Error 3080: Replication Channel Limit Exceeded
Description
This error indicates that your MySQL server has reached the maximum allowed number of replication channels. It typically occurs in multi-source replication environments when attempting to create or activate more channels than the system is configured or capable of handling.
Error Message
Maximum number of replication channels allowed exceeded.
Known Causes
3 known causesInternal Server Capacity Reached
The MySQL server version has an inherent, hardcoded upper limit on the total number of replication channels it can manage simultaneously, and this limit has been met.
Unmanaged Channel Accumulation
Previously created replication channels that are no longer actively used have not been properly stopped or removed, consuming available channel slots.
Excessive Concurrent Channel Creation
Numerous `CHANGE REPLICATION SOURCE TO` statements or similar commands were executed concurrently, attempting to establish more channels than the system can provision at once.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General 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