Characteristic of game database is “small amount of transaction but a lot of accessing attempt” and almost all data are doing save and load repeatedly.
ProudNet Database Cache System version 2 reduce database access with get cached those steps. It means, it reduces overload of database.
First you need to understand Understanding DB cache as theoretically.
ProudNet Database Cache System version 2 is divided into Game database schema for DB cache and DB cache client and server. First, install Game database schema for DB cache then manage your database using DB cache client and server.
The basic steps are explained in DB cache ver.2 Basic Usage. And in Using DB Cache, you can find all the details of ProudNet Database Cache System version 2.