RE: help with DWR returning large string from server to Browser

> -----Original Message-----
> From: David Marginian [mailto:david@...]
> Sent: Thursday, June 05, 2008 1:01 AM
> To: dev@...
> Subject: Re: [dwr-dev] help with DWR returning large string
> from server to Browser
>
> Bingjin,
>    This is not really a DWR issue it is a browser issue.  The
> fact is all DWR can do is send data to the browser and set
> the value on a text field.  Browser's were simply not
> designed to handle large amounts of data.  To illustrate this
> try creating a simple html file with a textarea field.  Dump
> 1.5 megs of static data into the textarea and see how the
> browser reacts.  IE will choke for several seconds.  There is
> more overhead when using DWR (because we have the data in
> memory and have to set the textarea's value). which is why it
> is slower but not much can be done about that.
>
>    Whenever you think you need to display this much data in
> the browser you probably need to re-think your design.  I
> don't know your specific situation but chances are you don't
> need to display the entire log file.  I would create a list
> box on the page with several options (last 500, last 1000,
> last 1500, first 500, first 1000, etc.) and allow the user to
> choose a value.  Then I would read the log file according to
> the options selected and only return the data read.  I would
> limit the options to those that perform reasonably well.  I
> have done this before in a similar situation (displaying log files).
>
>
> Bingjin He (bihe) wrote:
> > Hi There,
> > I am using DWR to return JAVA object to javascript. In this
> case, I am
> > reading from a log file, and return the log contents to be
> dispalyed
> > in the textarea inside a browser. I have no problem with
> this approach
> > when the log file size is small. But when the size is big(~1M), my
> > browser hangs. I suspect DWR can not handle returning big
> size object
> > from Java to browser. Can anyone confirm this and suggest
> alternatives?
> >  
> > thanks in advance
> > --bingjin
>
>
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