#### `innodb_fill_factor`

- Description: Percentage of B-tree page filled during bulk insert (sorted index build). Used as a hint rather than an absolute value. Setting to `70`, for example, reserves 30% of the space on each B-tree page for the index to grow in future.
- Commandline: `--innodb-fill-factor=#`
- Scope: Global
- Dynamic: Yes
- Data Type: `numeric`
- Default Value: `100`
- Range: `10` to `100`
- Introduced: MariaDB 10.2.2