This guide discusses adjustments that you can make to improve the performance of Sun JavaTM System Web Proxy Server software (known as Proxy Server). The guide provides tuning, scaling, sizing tips and suggestions. It also provides possible solutions to common performance problems and data from scalability studies. It also addresses some of the configuration-specific and platform-specific issues.
This guide is intended for advanced administrators only. Be sure to read this guide and other relevant server documentation before making any changes.
Proxy Server can be installed as a stand-alone product or as a component of Sun Java Enterprise System (Java ES), a software infrastructure that supports enterprise applications distributed across a network or Internet environment. If you are installing Proxy Server as a component of Java ES, you should be familiar with the system documentation at http://docs.sun.com/coll/1286.2.
This guide is divided into chapters. Each chapter addresses specific areas and tasks. The following table lists the chapters of the guide and their contents.
Table P–1 Guide Organization
The Proxy Server documentation set describes how to install and administer the Proxy Server. The documentation set lists the documents that are related to Proxy Server. The URL for Sun Java System Web Proxy Server 4.0.11 documentation is http://docs.sun.com/coll/1311.11. For an introduction to Proxy Server, refer to the books in the order in which they are listed in the following table.
Table P–2 Sun Java System Web Proxy Server Documentation
Document Title |
Contents |
The Proxy Server release:
|
|
Sun Java System Web Proxy Server 4.0.11 Installation and Migration Guide |
Performing installation and migration tasks:
|
Sun Java System Web Proxy Server 4.0.11 Administration Guide |
Performing administration and management tasks:
|
Sun Java System Web Proxy Server 4.0.11 Configuration File Reference |
Editing configuration files |
Sun Java System Web Proxy Server 4.0.11 NSAPI Developer’s Guide |
Creating custom Netscape Server Application Programmer's Interface (NSAPI) plugins |
Sun Java System Web Proxy Server 4.0.11 Performance Tuning, Sizing, and Scaling Guide |
Tuning Sun Java System Web Proxy Server to optimize performance |
The URL for all documentation about Sun Java Enterprise System (Java ES) and its components is http://docs.sun.com/prod/entsys.5.
The following table describes the default paths and file names that are used in this book.
Table P–3 Default Paths and File Names
Placeholder |
Description |
---|---|
install-dir |
Represents the base installation directory for Proxy Server |
instance-dir |
Directory that contains the instance-specific subdirectories |
The following table describes the typographic changes that are used in this book.
Table P–4 Typographic Conventions
Typeface |
Meaning |
Example |
---|---|---|
AaBbCc123 |
The names of commands, files, and directories, and onscreen computer output |
Edit your .login file. Use ls -a to list all files. machine_name% you have mail. |
AaBbCc123 |
What you type, contrasted with onscreen computer output |
machine_name% su Password: |
AaBbCc123 |
A placeholder to be replaced with a real name or value |
The command to remove a file is rm filename. |
AaBbCc123 |
Book titles, new terms, and terms to be emphasized (note that some emphasized items appear bold online) |
Read Chapter 6 in the User's Guide. A cache is a copy that is stored locally. Do not save the file. |
The following table explains symbols that might be used in this book.
Table P–5 Symbol Conventions
Symbol |
Description |
Example |
Meaning |
---|---|---|---|
[ ] |
Contains optional arguments and command options. |
ls [-l] |
The -l option is not required. |
{ | } |
Contains a set of choices for a required command option. |
-d {y|n} |
The -d option requires that you use either the y argument or the n argument. |
${ } |
Indicates a variable reference. |
${com.sun.javaRoot} |
References the value of the com.sun.javaRoot variable. |
- |
Joins simultaneous multiple keystrokes. |
Control-A |
Press the Control key while you press the A key. |
+ |
Joins consecutive multiple keystrokes. |
Ctrl+A+N |
Press the Control key, release it, and then press the subsequent keys. |
-> |
Indicates menu item selection in a graphical user interface. |
File -> New -> Templates |
From the File menu, choose New. From the New submenu, choose Templates. |
The Sun web site provides information about the following additional resources:
Besides searching Sun product documentation from the docs.sun.com web site, you can use a search engine by typing the following syntax in the search field:
search-term site:docs.sun.com |
For example, to search for “Proxy Server,” type the following:
Proxy Server site:docs.sun.com |
To include other Sun web sites in your search (for example, java.sun.com, www.sun.com, and developers.sun.com), use “sun.com” in place of “docs.sun.com” in the search field.
Third-party URLs are referenced in this document and provide additional, related information.
Sun is not responsible for the availability of third-party web sites mentioned in this document. Sun does not endorse and is not responsible or liable for any content, advertising, products, or other materials that are available on or through such sites or resources. Sun will not be responsible or liable for any actual or alleged damage or loss caused or alleged to be caused by or in connection with use of or reliance on any such content, goods, or services that are available on or through such sites or resources.
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