Sun ONE Web Server 6.1 Performance Tuning, Sizing, and Scaling Guide |
About This Guide
This guide discusses adjustments you can make that may improve the performance of Sun Open Net Environment (Sun ONE) Web Server 6.1. The guide provides tuning, scaling, and sizing tips and suggestions; possible solutions to common performance problems; and data from scalability studies. It also addresses miscellaneous configuration and platform-specific issues, and describes the perfdump performance utility and tuning parameters that are built into the server.
This preface contains the following topics:
Who Should Use This GuideThis guide is intended for advanced administrators only. Be sure to read this guide and other relevant server documentation before making any changes. Be very careful when tuning your server, and always back up your configuration files before making any changes.
Using the DocumentationThe Sun ONE Web Server manuals are available as online files in PDF and HTML formats from the following location:
http://docs.sun.com/db/prod/s1websrv#hic
The following table lists the tasks and concepts described in the Sun ONE Web Server manuals.
How This Guide Is OrganizedThis guide is organized as follows:
This chapter provides a general discussion of server performance considerations, and more specific information about monitoring server performance.
This chapter describes specific adjustments you can make that may improve Sun ONE Web Server performance.
This chapter describes miscellaneous performance topics, including discussion of magnus.conf and obj.conf settings that can be used to improve server performance.
This chapter discusses common web site performance problems, and offers tips and solutions.
This chapter provides platform-specific tuning tips.
This chapter examines the subsystems of your server, and provides recommendations for optimal performance.
This chapter describes the results of scalability studies. You can use these studies as examples of how you might configure your system to best take advantage of Sun ONE Web Server’s strengths.
Documentation ConventionsThis section describes the types of conventions used throughout this guide.
- File and directory paths
These are given in UNIX® format (with forward slashes separating directory names). For Windows versions, the directory paths are the same, except that backslashes are used to separate directories.
- URLs are given in the format:
http://server.domain/path/file.html
In these URLs, server is the server name where applications are run; domain is your Internet domain name; path is the server's directory structure; and file is an individual file name. Italic items in URLs are placeholders.
- Font conventions include:
- The monospace font is used for sample code and code listings, API and language elements (such as function names and class names), file names, path names, directory names, and HTML tags.
- Italic monospace type is used for code variables.
- Italic type is also used for book titles, emphasis, variables and placeholders, and words used in the literal sense.
- Bold type is used as either a paragraph lead-in or to indicate words used in the literal sense.
- Installation root directories are indicated by install_dir in this guide.
By default, the location of install_dir is as follows:
Product SupportIf you have problems with your system, contact customer support using one of the following mechanisms:
- The online support web site at:
http://www.sun.com/supportraining/
- The telephone dispatch number associated with your maintenance contract
Please have the following information available prior to contacting support. This helps to ensure that our support staff can best assist you in resolving problems:
- Description of the problem, including the situation where the problem occurs and its impact on your operation.
- Machine type, operating system version, and product version, including any patches and other software that might be affecting the problem.
- Detailed steps on the methods you have used to reproduce the problem.
- Any error logs or core dumps.