Extract the Freemarker tag templates; Freemarker doesn't cache them when they're loaded from the classpath.
http://struts.apache.org/2.x/docs/performance-tuning.html d. --- Jeromy Evans <[EMAIL PROTECTED]> wrote: > Jordi Rubio Moreno wrote: > > Is JSP taglib too slow and not recommended > solution for production > portals? > > Hi Jordi, I'm impressed you made the effort to > compare Freemarker vs Jsp > performance. I've re-posted your question at the > top of this email in > the hope that it gains the attention of some of the > more experienced > developers. > > In your test did you ensure your comparison doesn't > include the first > time the JSP is retrieved? On the first request the > JSP is converted to > java and then compiled which is inevitably slow. > Subsequent requests > execute the bytecode and are much faster. Did you > take this into account? > > Within struts2, I think it would be a fair > assumption that JSP will > always be somewhat slower than pure Freemaker > because the UIBeans are > rendering using the Freemarker template engine > anyway. I wouldn't have > imagined it would be <10% slower but have no > evidence. I'll try to run > the same comparison if I get a spare moment. > > Anyone else care to comment? > > Jordi Rubio Moreno wrote: > > Hi Jeromy, > > > > I apologize to respond this email so late. > > > > I've develop a little test portal (close in > functionality to production portal), and I've notice > that JSP taglib are slower that Freemarker > equivalent page (I'm speaking about a JSP result > page rendered in 1.2s and the same page rendered > with freemarker in 600ms). > > > > It's certain that there are a lot of JSP taglib > documentation and S2 forums, but in a production > site it's critical an excellent time response. > > > > I don't know if I'm doing anything wrong... I show > you a little fragment of test code in JSP taglibs an > Freemarker: > > > > ***************** JSP taglibs > ********************** > > > > <s:iterator value="offers"> > > <tr> > > <td> > > <s:url id="curUrl" action="Redirect" > includeParams="none"> > > <s:param name="url"><s:property > value="offUrl"/></s:param> > > </s:url> > > <a href="${curUrl}"><s:property > value="offTitle"/></a><br> > > <s:if test="%{offCompany != null}"> > > <b><s:text > name="Results.company"/></b>: <s:property > value="offCompany"/><br> > > </s:if> > > <s:if test="%{offSalary != null}"> > > <b><s:text > name="Results.salary"/></b>: <s:property > value="offSalary"/><br> > > </s:if> > > <s:property value="offDescr"/><br> > > <s:url id="addToShortListUrl" > action="ShortList!add" includeParams="none"> > > <s:param name="offId"><s:property > value="offId"/></s:param> > > </s:url> > > <a href="${addToShortListUrl}"><s:text > name="Results.addToShortList"/></a><br><br> > > </td> > > </tr> > > </s:iterator> > > > > ******************** FREMARKER > ************************ > > > > > > <#list offers as o> > > <tr> > > <td> > > <@s.url id="curUrl" action="Redirect" > includeParams="none" url="${o.offUrl}" /> > > <a href="${curUrl}">${o.offTitle}</a><br> > > <#if o.offCompany != ""> > > <b><@s.text > name="Results.company"/></b>: ${o.offCompany}<br> > > </#if> > > <#if o.offSalary != ""> > > <b><@s.text > name="Results.salary"/></b>: ${o.offSalary}<br> > > </#if> > > ${o.offDescr}<br> > > <@s.url id="addToShortListUrl" > action="ShortList!add" includeParams="none" > offId="${o.offId}" /> > > <a href="${addToShortListUrl}"><@s.text > name="Results.addToShortList"/></a><br><br> > > </td> > > </tr> > > </#list> > > > > > > Is JSP taglib an slow and not recommended solution > for production portals? > > > > Thanks a lot for your patience :) > > > > Best regards! > > > > Jordi Rubio Moreno > > > > > > > > -----Mensaje original----- > > De: Jeromy Evans > [mailto:[EMAIL PROTECTED] > > Enviado el: sábado, 19 de mayo de 2007 6:13 > > Para: Struts Users Mailing List > > Asunto: Re: [S2] Freemarker vs struts taglibs > > > > > > If you're a new user of Struts2 and JSP then I > suggest you simply start with JSP as there's far > more resources and tutorials available. > > You only must become aware of Freemarker once you > wish to extend the default themes. > > > > Within Struts2, by default Freemarker templates > are used when rendering the UI components (ie. the > S2 taglib classes that extend AbstractUITag such as > TextField). > > eg. if you use the <s:textfield> tag, Struts2 will > render it using the text.ftl template for the > specified/current theme. > > > > Eventually you may wish to extend the theme > (change with the way <s:textfield> is rendered) at > which time you'll probably create your own templates > for the UI components-of-interested and start using > Freemarker. > > > > Eventually may you also wish to create your own > taglib UI components following the the S2 > conventions in which case you'd follow the same > template approach (but Struts2 does not preclude you > from using any other JSP/taglib convention). > > > > As mentioned in previous responses and the link > below, Struts2 allows you to use entire Freemarker > page results instead of JSP. There are good > technical arguments for using Freemarker instead of > JSP, but generally speaking right now you'll find > more people to help, initially less effort, more > jobs and better IDE-support with JSP and almost > everything you learn with JSP can be later be > applied within the Freemarker context. > > > > > >> On 5/17/07, Musachy Barroso <[EMAIL PROTECTED]> > wrote: > >> > >>> FreeMarker is a template engine, with it's own > syntax. JSP tags can > >>> be used in FreeMarker, adding some > configuration. In the case of > >>> Struts tags, no configuration is required, and > you can use them like > >>> you would in JSP except a few differences, see > this for details: > >>> > >>> > http://struts.apache.org/2.x/docs/freemarker.html > >>> > >>> musachy > >>> > >>> On 5/17/07, Jordi Rubio Moreno > <[EMAIL PROTECTED]> wrote: > >>> > >>>> Hi, > >>>> > >>>> I'm a bit confused. I need to decide if I'll > use Freemarker or > >>>> Struts taglibs, and I don't know the > differences between both. E.g. > >>>> what's > === message truncated === ____________________________________________________________________________________ No need to miss a message. Get email on-the-go with Yahoo! Mail for Mobile. Get started. http://mobile.yahoo.com/mail --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
