Contents

About This Guide

Overview

Platform Edition
Standard Edition
Enterprise Edition

Using the Documentation
Documentation Conventions

General Conventions
Conventions Referring to Directories

Product Support
What's in this Guide
What You Should Know
How This Guide is Organized

About Sun ONE Application Server

Server Components

Application Server Processes
Databases

Server Architecture
Server Tools

Server Administration Interface
Sun ONE Studio 4

About Sun ONE Application Server Performance

Why Tune Application Server?
Understanding Operational Requirements

Application Architecture
Security Requirements

User Authentication and Authorization
Encryption

Application Usage
Hardware Resources
Administration

Capacity Planning
Performance Tuning Sequence
Configuration Files
Logging and Performance

Tuning Your Application

Java Programming Guidelines
J2EE Programming Guidelines

Servlet and JSP Programming Guidelines
EJB Programming Guidelines

EJB Pool and Cache
Transactions
JDBC and Database Access
JMS
References

Tuning Sun ONE Application Server

HTTP Server Tuning

Enabling Statistics with stats-xml
Monitoring Current Activity Using the perfdump Utility

Installing the perfdump Utility

Using Statistics to Tune Your Server

Connection Queue Information
HTTP Listener Information
Keep-Alive/Persistent Connection Information
Session Creation Information
Cache Information
Thread Pools
DNS Cache Information

Busy Functions
Using Performance Buckets

Configuration
Performance Report

Configuring the File Cache

Using the nocache Parameter
File Cache Dynamic Control and Monitoring

Tuning the ACL User Cache

ACL User Cache Directives
Verifying ACL User Cache Settings

Using Quality of Service
Threads, Processes, and Connections

HTTP listener Acceptor Threads
Maximum Simultaneous Requests

Improving Java Performance

Using an Alternate Thread Library
Using Pre-compiled JSPs
Configuring Class Reloading

Miscellaneous init.conf Directives

AcceptTimeOut Information
CGIStub Processes (Unix/Linux)
Buffer Size

Miscellaneous obj.conf Parameters

find-pathinfo-forward
nostat

Scaling Your Server

Processors
Memory
Disk Space
Networking

Connection Pool Tuning

JDBC Connection Pool Tuning

JSP and Servlet Tuning

Suggested Coding Practices for JSP's and Servlets
Configuration Settings that Affect JSP/Servlet Performance

Performance Tuning for EJBs

Performance Tuning the EJB Container
Guide to Using Tunables
EJB Descriptor Properties
Tuning the EJB Pool
Tuning the EJB Cache

Performance Considerations for Various Types of EJBs

Related Considerations

Commit Options

ORB Tuning

How a Client Connects to the ORB
Performance Tuning the ORB

ORB Tunables
ORB Properties
Non-standard ORB Properties and Functionality

Guide to using Tunables
Thread Pool Sizing

Related Considerations

Examining IIOP Messages
Fragmented Messages
Local Interfaces for EJB's

Tuning the Transaction Manager

automatic-recovery
keypoint-interval
Transaction Manager Monitoring
References

Tuning the Java Runtime System

Using Alternate Threads
Managing Memory and Allocation

Tuning the Garbage Collector
Tracing Garbage Collection

Footprint

Specifying Other Garbage Collector Settings
Tuning the Java Heap

Guidelines for Java Heap Sizing
Sample Heap Configuration on Solaris
Sample Heap Configuration on Windows

HotSpot Virtual Machine Tuning Options

Tuning Operating System

Tuning Parameters
Solaris File Descriptor Setting
Linux Configuration

Common Performance Problems

check-acl Server Application Functions
Low-Memory Situations
Under-Throttled Server
Cache Not Utilized
Keep-Alive Connections Flushed
Log File Modes

Index