PSC Documentation oldies but goodies

You've got to love docs which reference "state of the art" values, and then the state of the art moves on...

From the 10.2B OpenEdge Getting Started: Database Essentials

The 72GB drive is only marginally more expensive than a single 18GB drive, so buying four 18GB drives to obtain the same capacity as a 72GB drive will substantially increase your cost.

Here is an example of a machine with 1GB of RAM, 50 local users, and one 8KB-block-size database using 10,000 database buffers:

One major exception is systems with very limited memory (less than 256MB),

Generally, a (spin) setting between 2,000 and 10,000 works for the majority of systems, but this varies greatly.