Sun Java System Web Server 7.0 Update 7 Performance Tuning, Sizing, and Scaling Guide

Disable Dynamic JSP Reloading

On a production system, improve web container performance by disabling dynamic JSP reloading. To do so, edit the default-web.xml file in the config directory for each instance. Change the servlet definition for a JSP file to look like this:

<servlet>
		<servlet-name>jsp</servlet-name>
		<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
		  <init-param>
				<param-name>httpMethods</param-name>
				<param-value>GET, HEAD, POST</param-value>
			</init-param>
			<init-param>
				<param-name>fork</param-name>
				<param-value>false</param-value>
			</init-param>
			<init-param>
				<param-name>mappedfile</param-name>
				<param-value>false</param-value>
			</init-param>
			<init-param>
				<param-name>developments</param-name>
				<param-value>false</param-value>
			</init-param>
			<init-param>
				<param-name>genStrAsCharArray</param-name>
				<param-value>true</param-value>
			</init-param>
			<init-param>
				<param-name>trimSpaces</param-name>
				<param-value>true</param-value>
			</init-param>
<load-on-startup>3</load-on-startup>
</servlet>

Note –

The suggested manual changes requires you to run either pull-config through the CLI or the Admin Console.