Sun GlassFish Enterprise Server 2.1 Performance Tuning 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>development</param-name>
    <param-value>false</param-value>
  </init-param>
  <init-param>
    <param-name>xpoweredBy</param-name>
    <param-value>true</param-value>
  </init-param>
  <init-param>
    <param-name>genStrAsCharArray</param-name>
    <param-value>true</param-value>
  </init-param>  <load-on-startup>3</load-on-startup>
</servlet>