Error
Error Code:
1202
MariaDB Error 1202: Slave Thread Creation Failure
Description
This error signifies that the MariaDB server was unable to create a new thread essential for a replication slave process. It typically occurs when the server attempts to start or re-establish a replication connection but encounters limitations related to system resources or server configuration.
Error Message
Could not create slave thread; check system resources
Known Causes
4 known causesSystem Resource Exhaustion
Insufficient memory, CPU, or file descriptors prevent the operating system from allocating resources for a new thread.
Operating System Thread Limits
The operating system has a configured maximum number of threads a single process or user can create, which MariaDB has reached.
MariaDB max_connections Limit
The MariaDB server has reached its configured `max_connections` limit, preventing new connections or internal threads.
User/Process Thread Limits
The operating system user running the MariaDB server has specific limits on the number of threads it can create.
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