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

> Thanks David!! I re-designed the display and get around this problem.
> Appreicate your prompt help!
> --bingjin
>
>  
>> -----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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