Error
Error Code:
1388
MariaDB Error 1388: File Mapping Failure
Description
MariaDB Error 1388, 'Can't map file', indicates that the database server failed to map a file into its memory address space. This typically occurs when the operating system cannot allocate the necessary memory for a file operation, often due to resource constraints or system configuration limits, preventing MariaDB from accessing or managing data files effectively.
Error Message
Can't map file: %s, errno: %d
Known Causes
3 known causesInsufficient System Memory
The operating system lacks sufficient available RAM or swap space to map the requested file into memory for the MariaDB process.
OS Memory Map Limits
The operating system's configuration (e.g., `vm.max_map_count` on Linux) restricts the number or size of memory-mapped files a process can open.
Excessive File Size
Attempting to map an unusually large data file that exceeds the system's or process's memory mapping capabilities.
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