Re: [Webwork-user] Re: Performance of ParameterAware

[Matt B. <ma...@sm...>]

Can you submit a simple example that illustrates the problem?

-Matt

----- Original Message -----
From: "Peter Kelley" <pe...@mo...>
To: "Chris Miller" <chr...@ho...>;
<web...@li...>
Sent: Friday, June 21, 2002 4:03 AM
Subject: Re: [Webwork-user] Re: Performance of ParameterAware


> Chris,
>
> I just managed to get a run in OptimizeIt and 95% of the time is being
> spent in java.lang.reflect.Array.newInstance(). Along with the fact
> that there are 10-20 getParameter calls for each control does this
> suggest anything to anybody ? The pattern seems to be:
>
> Get the control value from the method in the action
> Call getParameter on the action a few times very quickly
> Do something else that we are not logging, sometimes for a second or
> more.
> Get the next control value
> etc...
>
> Any ideas as to how we can solve this ?
>
> BTW, the reason we are using parameter aware is that we have input
> controls inside an iterator tag and we need to be able to get the
> values for each of the controls when the form is submitted (and
> display them if the same page is re-displayed). If there is another
> recommended way of doing this I would be interested in finding out.
> What would be really cool is if webwork supported indexed properties
> (a little used feature of Java beans) on actions but I can't see this
> documented anywhere. Should this be a feature request ?
>
> Thursday, June 20, 2002, 10:52:24 PM, you wrote:
>
> CM> Have you tried with Tomcat 4.0.4 and/or 4.1.5, or even better, a
different
> CM> servlet container (Orion, Resin, ...)? There have been changes in the
latest
> CM> builds of Tomcat that can provide large performance improvements in
many
> CM> circumstances.
>
> CM> Also, it sounds like you've done some profiling - where is the
majority of
> CM> the time being spent?
>
> CM> Note that I'm not trying to discount the possibility of this being a
WW
> CM> issue, just trying to help narrow down the source of the problem.
>
> CM> Regards,
> CM> Chris
>
> >> We have an admittedly complex JSP page that is taking between 20 and
> >> 30 seconds to load, even after a first view. There are 3 actions on
> >> the page in addition to the calling action but each of them is taking
> >> 20-30 milliseconds to run. There appear to be a large number of calls
> >> to the getParameter() method on the main action for each control on
> >> the page.
> >>
> >> Any ideas ?
> >>
> >> Jboss 3.0 with Tomcat 4.0.3
> >> Webwork 1.1
> >> Windows 2000 Professional
> >>
> >> --
> >>
> >> regards,
> >> Peter Kelley
> >>
> >> MoveIt Pty Ltd
> >>
> >> "If you want to build a ship, don't drum up the men to
> >> gather wood, divide the work and give orders. Instead,
> >> teach them to yearn for the vast and endless sea."
> >> - Saint-Exupery
> >>
> >>
> >>
> >> -------------------------------------------------------
> >>                    Bringing you mounds of caffeinated joy
> >>                    >>>     http://thinkgeek.com/sf    <<<
>
>
>
>
>
>
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>
> --
>
> regards,
> Peter Kelley
>
> MoveIt Pty Ltd
>
> "If you want to build a ship, don't drum up the men to
> gather wood, divide the work and give orders. Instead,
> teach them to yearn for the vast and endless sea."
> - Saint-Exupery
>
>
>
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