Can you do any profiling to show us the hotspots we should focus on optimizing?
> -----Original Message----- > From: Drew McAuliffe [mailto:[EMAIL PROTECTED] > Sent: Thursday, August 07, 2003 3:57 AM > To: [EMAIL PROTECTED] > Subject: [OS-webwork] Performance diff bw ww1 and ww2? > > > I've been trying to migrate an application recently from ww1 > to ww2 and have had some pretty difficult times. Conversion > issues aside, though, I'm extremely concerned with what I see > with the performance. ww2 seems to perform about 5 to 10 > times worse than my equivalent application in ww1. I'm pretty > positive that this isn't a problem with xwork, since my > business layer uses xwork as an underlying command structure > (and xwork is fantastic; the framework I have set up with it > is going to save me a ton of maintenance headaches). The > xwork business commands execute extremely quickly. Prior to > the upgrade, I had xwork running underneath ww1, with ww1 > servlets and actions. > > Most of the problem appears to be in the render cycle. I'm > using velocity as my rendering engine (except for sitemesh > decorators and a login.jsp). I'm not using the ww tags or > their velocity equivalents because I have a custom page > construction framework. Basically, each action sticks a > "page" object onto the stack that contains information about > page sections and controls. There are a lot of calls to the > old $webwork utility on the ww1 velocity context, especially > for bean creation and "$webwork.evaluate" calls. Under ww1, I > get pretty fast response times. For a list page with about 20 > items, I get the list in anywhere between 200 and 400 ms. > With a constrained list, it's more like 30 - 70 ms (for a > list of about 5 items). For a detail page with about 10 > fields, I can usually get a render in about 20 - 30 ms. > That's only 10 ms longer than the underlying framework is > taking to load the data from the database. This is all on a > dev machine running a local tomcat server, so I'm pretty > happy with this performance. > > With ww2, the numbers get a lot worse. List renderings are > anywhere from 600 - 1100 ms for the large list, 400 - 600 ms > for the small list. Detail pages are rendering in about 70 - > 110 ms, though sometimes higher (never lower). Also, > strangely, my pages have a decorator on the side that shows > the current user, using > <ww:property value="userInfo.firstName"/> > <ww:property value="userInfo.lastName"/> > Every third time the page is loaded, these show up as "null", > inexplicably. I don't know why this would be happening, > though I suppose it has something to do with things getting > tied up inside the render cycle. I also get socket errors > every fourth or fifth page load, if I keep loading in quick > succession. > > I realize this evidence is anecdotal but I was wondering if > anyone else has had similar results with ww2, or if there's > something I'm doing completely wrong with the way I'm using > velocity in ww2. My previous macros were updated to use the > value stack and I can include the old and new versions, if > necessary. I do know that it used to work fine before. I'm > itching to move to ww2 because it does so many things so much > more elegantly (things I used to have to do a lot of custom > coding around) and I'm already using xwork anyway. > > > > ------------------------------------------------------- > This SF.Net email sponsored by: Free pre-built ASP.NET sites > including Data Reports, E-commerce, Portals, and Forums are > available now. Download today and enter to win an XBOX or > Visual Studio .NET. > http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet _072303_01/01 _______________________________________________ Opensymphony-webwork mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ Opensymphony-webwork mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork
