Workgroup Server 95: Cache Optimization, Basic Formula

This article provides a basic formula for optimizing the cache memory on an Apple Workgroup Server (AWS) 95, which runs the A/UX operating system.
Formula

Buffer cache = Z - VM


Element                 Description
-------   ----------------------------------------
Z          Total Ram - X
           
          Where X = (Kernel=5 MB) +
          (CatsearchD=1 MB for every 10,000 files)


VM        Retrospect + System Software + AppleShare Caches + Print Server +
         any other Macintosh software


IMPORTANT: These calculations assume no other UNIX processes are being started besides the ones started in the system by default. If this is not the case, add the memory requirements for those processes to the calculation of X.

NOTE: Make sure Z is greater than or equal to Buffer Cache + VM.

Published Date: Feb 19, 2012