db4o |

# FreespaceConfiguration.useIndexSystem Method

configures db4o to use an index-based freespace system.

void useIndexSystem();

#### Remarks

configures db4o to use an index-based freespace system.
Advantages
- ACID, no freespace is lost on abnormal system termination
- low memory consumption
Disadvantages
- slower than the RAM-based system, since freespace information is written during every commit

#### See Also

FreespaceConfiguration Interface | com.db4o.config Namespace