The most revelant submission data must be kept in memory, so it can be used for statistics and to avoid unnecesary queries to the DB. It is necessary to design a format that doesn't use too many bytes per submissions, as numbers could grow very quickly.
The most revelant submission data must be kept in memory, so it can be used for statistics and to avoid unnecesary queries to the DB. It is necessary to design a format that doesn't use too many bytes per submissions, as numbers could grow very quickly.