That's sounds great Musachy, where would I put this setting? Also, what version of Struts is this available in?
It would be great if it was mentioned in the "Performance Tuning" page. http://cwiki.apache.org/WW/performance-tuning.html Thanks, Jason -----Original Message----- From: Musachy Barroso [mailto:[EMAIL PROTECTED] Sent: Monday, 24 September 2007 11:09 PM To: Struts Users Mailing List Subject: Re: [s2] Struts head tag KILLS (> 10s) page load time It is a dojo/browser thing. All we can do is done already, if you set cache="true" Struts 2 will use a custom build where only one file (which will be cached) will be used. musachy On 9/24/07, Don Brown <[EMAIL PROTECTED]> wrote: > Oh damn, why is that? Cache is critical here. > > Don > > On 9/24/07, Musachy Barroso <[EMAIL PROTECTED]> wrote: > > When a file is loaded using dojo.require, it is not cached by the browser. > > > > musachy > > > > On 9/23/07, Jason Wyatt <[EMAIL PROTECTED]> wrote: > > > Hi Martin, > > > > > > Yes, that's right. > > > > > > The dojo "requires" seemed unexpectedly slow during our tests. I > > > was using Firefox's Firebug to check page load times. From memory, > > > it looked like the dojo includes were being requested sequentially > > > and seemed to give substantial page loading overhead (>2s) even if > > > the dojo .js files were cached. > > > > > > I never fully understood why there was a large overhead although > > > the dojo files were supposedly cached. It might have been a quirk > > > with firebug and dojo "requires", or maybe the "requires" routine > > > itself is slow, when called > > > 30+ times. > > > > > > About 5 dojo files were consistently returning "not found" as > > > well, which may not have helped the load times. > > > > > > Removing as much dojo stuff as I could, and upgrading from Struts > > > 2.0.8 to > > > 2.0.9 has solved our page load time issues. > > > > > > Regards > > > Jason > > > > > > > > > -----Original Message----- > > > From: Martin Gainty [mailto:[EMAIL PROTECTED] > > > Sent: Friday, 21 September 2007 11:41 AM > > > To: Struts Users Mailing List > > > Subject: Re: [s2] Struts head tag KILLS (> 10s) page load time > > > > > > Hi Jason- > > > > > > so by attentuating dojo includes you decreased initial load time > > > for dojo with the beneficial side effect of faster response to the browser? > > > > > > Thanks/ > > > Martin-- > > > ----- Original Message ----- > > > From: "Jason Wyatt" <[EMAIL PROTECTED]> > > > To: "'Struts Users Mailing List'" <user@struts.apache.org> > > > Sent: Thursday, September 20, 2007 9:09 PM > > > Subject: RE: [s2] Struts head tag KILLS (> 10s) page load time > > > > > > > > > >I had the same issue... We use the ajax tabbed panel but no other > > > >dojo widgets, but the <s:head theme="ajax"> tag had dojo > > > >"requiring" all of the dojo widget library. > > > > > > > > This was causing our page to fire off 70+ requests when loading. > > > > As our app needs to be accessed up to a thousand km away, tests > > > > showed initial load times of over 10s because of latency. > > > > > > > > I modified web\template\ajax\head.ftl to include a custom > > > > web\hack\ajax\dojoRequire.js that had the minimum dojo includes > > > > for the tabbed panels. This managed to get the number of > > > > requests down to around 30, mostly our own images and scripts, > > > > which gave acceptable load times. > > > > > > > > Eg. > > > > > > > > web\template\ajax\head.ftl: > > > > > > > > <#include "/${parameters.templateDir}/${themeProperties.parent}/head.ftl" > > > > /> > > > > <script type="text/javascript" > > > > src="<@s.url value='/hack/ajax/dojoRequire.js' includeParams='none' > > > > encode='false' />"></script> > > > > <script type="text/javascript" > > > > src="<@s.url value='/struts/CommonFunctions.js' > > > > includeParams='none' > > > > encode='false'/>"></script> > > > > > > > > > > > > web\hack\ajax\dojoRequire.js: > > > > > > > > dojo.require("dojo.io.BrowserIO"); > > > > dojo.require("dojo.event.topic"); > > > > > > > > dojo.hostenv.setModulePrefix('struts', 'struts'); > > > > //dojo.require('dojo.widget.*'); > > > > dojo.widget.manager.registerWidgetPackage('struts.widget'); > > > > > > > > dojo.require("struts.widget.Bind"); > > > > dojo.require("struts.widget.BindDiv"); > > > > //dojo.require("struts.widget.BindAnchor"); > > > > //dojo.require("struts.widget.ComboBox"); > > > > //dojo.require("struts.widget.StrutsTimePicker") > > > > //dojo.require("dojo.widget.Editor2"); > > > > //dojo.hostenv.writeIncludes(); // not needed, but allows the > > > > Venkman debugger to work with the includes > > > > > > > > > > > > Hope this helps, regards > > > > Jason > > > > > > > > ----- > > > > Falun Dafa Truth - Compassion - Forbearance > > > > > > > > A mind & body practice under persecution in China > > > > > > > > http://www.faluninfo.net > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > From: Frank W. Zammetti [mailto:[EMAIL PROTECTED] > > > > Sent: Friday, 21 September 2007 8:09 AM > > > > To: Struts Users Mailing List > > > > Subject: Re: [s2] Struts head tag KILLS (> 10s) page load time > > > > > > > > If Dojo is being used for AJAX in this case, that's my guess. I > > > > know from experience that Dojo, can issue a TON of requests even > > > > if you think your only loading a small portion of it. Assuming > > > > this guess is correct, Musachy, does S2 use a custom build of > > > > Dojo? If not, that might be worth considering. > > > > > > > > Frank > > > > > > > > -- > > > > Frank W. Zammetti > > > > Founder and Chief Software Architect Omnytex Technologies > > > > http://www.omnytex.com > > > > AIM/Yahoo: fzammetti > > > > MSN: [EMAIL PROTECTED] > > > > Author of "Practical Ajax Projects With Java Technology" > > > > (2006, Apress, ISBN 1-59059-695-1) and "JavaScript, DOM > > > > Scripting and Ajax Projects" > > > > (2007, Apress, ISBN 1-59059-816-4) Java Web Parts - > > > > http://javawebparts.sourceforge.net > > > > Supplying the wheel, so you don't have to reinvent it! > > > > > > > > chengas123 wrote: > > > >> Hi, > > > >> I am working on a Struts 2 page and page load times are way too high. > > > >> I tracked it down to the Struts head tag, which I have as follows: > > > >> <s:head theme="ajax" /> Without the tag, my page issues 3 > > > >> requests and takes 453ms to load. With the tag, the page > > > >> issues 54 requests taking 12.24s to load. > > > >> Is there something I am doing wrong here? > > > >> > > > >> Thanks, > > > >> Ben > > > > > > > > > > > > ---------------------------------------------------------------- > > > > ----- To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------------- > > > > ----- To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > ------------------------------------------------------------------ > > > --- To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------ > > > --- To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > -- > > "Hey you! Would you help me to carry the stone?" Pink Floyd > > > > -------------------------------------------------------------------- > > - To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- "Hey you! Would you help me to carry the stone?" Pink Floyd --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
