Search over internet and get one calculation on memory request:
Total Memory =
Dataserver Executable Size (in bytes) +
Static Overhead of 1 Mb +
User Connections x 40,960 bytes +
Open Databases x 644 bytes +
Locks x 32 bytes +
Devices x 45,056 bytes
Procedure Cache +
Data Cache
don't understand this in detail.
Dataserver Executable Size (in bytes) + ----how to get this ???
Static Overhead of 1 Mb + ---how to calc this???
User Connections x 40,960 bytes + ---can get this from server param: number of user connections
Open Databases x 644 bytes + ---can get this from server param: number of worker processes
Locks x 32 bytes + -----can get this from server param: number of locks???
Devices x 45,056 bytes + ----number of devices???
Procedure Cache + ---20% of data cache???
Data Cache --- decided by app???