what useHouseDataStorage means?

[kakilo]

Can anyone help me? I've search, but no content gave me answer.

 

[Kyran]

Direct copy from config help in TFS 04.

useHouseDataStorage
New house data storage system. Performs much faster map saving. (up to 60x faster!)
If enabled - items will be saved binary in `house_data` table, otherwise `tiles` and `tile_items` will be used.
Default: no