Administering Security, Performance, and Accounting in Solaris 2
This document is the basic reference on Solaris 2 and is part of the manual set on the AnswerBook CD. It describes the tweakable parameters that can be set in /etc/system and provides a tutorial on how to use performance analysis tools such as sar and vmstat.
An Analysis of TCP Processing Overhead
by David Clark, Van Jacobson, John Romkey, and Howard Salwen
Describes things that can be tuned to improve TCP/IP and Ethernet throughput. IEEE Communications, June 1989.
The Art of Computer Systems Performance Analysis
by Raj Jain
This book is a comprehensive and very readable reference work covering techniques for experimental design, measurement, simulation, ...