Error
Error Code:
4023
MySQL Error 4023: Invalid AUTOEXTEND_SIZE Value
Description
This error indicates that a configured `AUTOEXTEND_SIZE` value, often related to InnoDB tablespaces or the `innodb_autoextend_increment` variable, is not a valid multiple of the required unit. MySQL expects this setting to be an exact multiple of a specific megabyte value, represented by `%uM` in the error message. This prevents the database from correctly allocating space.
Error Message
AUTOEXTEND_SIZE should be a multiple of %uM
Known Causes
3 known causesIncorrect Global Configuration
The global `innodb_autoextend_increment` variable in your MySQL configuration file (e.g., `my.cnf` or `my.ini`) is set to a value that is not a valid multiple of the required unit.
Invalid Tablespace AUTOEXTEND_SIZE
An explicit `AUTOEXTEND_SIZE` value provided during a `CREATE TABLESPACE` or `ALTER TABLESPACE` SQL statement does not meet the required multiple.
Typo or Unit Misinterpretation
A typographical error or a misunderstanding of the required unit (e.g., expecting MB but providing a non-multiple value) in the configuration file or SQL statement.
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