TuningSun Java System Web Server
Thischapter describes specic adjustments you can make that might improve Sun Java System
WebServer performance. It provides an overview of Web Server's connection-handling process
sothat you can better understand the tuning settings. The chapter includes the following topics:
■“GeneralTuning Tips” on page 39
■“UnderstandingThreads, Processes, and Connections” on page 40
■“MappingWeb Server 6.1 Tuning Parameters to Web Server 7.0” on page 46
■“UsingMonitoring Data to Tune Your Server” on page 48
■“Tuningthe ACL User Cache” on page 77
■“TuningJava Web Application Performance” on page 78
■“TuningCGI Stub Processes (UNIX/Linux)” on page 81
■“Usingnd-pathinfo-forward” on page 82
■“Usingnostat” on page 82
■“UsingBusy Functions” on page 83
Note– Be very careful when tuning your server. Always back up your conguration les before
makingany changes.

GeneralTuning Tips

Asyou tune your server, it is important to remember that your specic environment is unique.
Theimpacts of the suggestions provided in this guide will vary, depending on your specic
environment.Ultimately you must rely on your own judgement and observations to select the
adjustmentsthat are best for you.
Asyou work to optimize performance, keep the following guidelines in mind:
■Workmethodically
Asmuch as possible, make one adjustment at a time. Measure your performance before and
aftereach change, and rescind any change that doesn’t produce a measurable improvement.
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CHAPTER 2
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