Re: [ossig] Quasar Accounting Software for Linux

[Vincent Lee <leehongfay@xxxxxxxxx>]

I suppose, we are looking at which is the optimum point for the following
model:

  Database <--- A ----> processing <--- B ---> presentation

For thick client application, processing is done at the client side, so there
are a lot of data to be transmitted at point A.

For thin client application, processing is done at the server side, only
processed data is sent to the presentation layer.

The only way to minimize transmission at A using thick client application is to
have a lot of "stored procedures" in database, otherwise the overhead of
transmitting the data to be processed at client side (A) could be expensive.

For thin client application, J2EE solves the problem with Session Bean. If we
have to design the patterns ourselves ("easier said than done")... but we don't
have to re-invent the wheel, the solutions are out-there, just need to look
hard enough :-)...




 --- Ditesh <ditesh@ameba6.com> wrote: 
> Vincent Lee wrote:
> 
> >surprisingly, web-based front end is actually faster.. for example, if I
> were
> >to enter a field to look for a customer, there are 10 thousand records, most
> >thick client app actually search for all records on each "key stroke", and
> if
> >the user were to use 6 characters to locate the record, 
> >  
> >
> 
> Not necessarily true. My latest web app searches on key stroke events so 
> you could have the same problem if problem the problem was not foreseen. 
> However, if you page your recordset and display, then you'd always be 
> retrieving only N records at any point. Throw in some intelligence in 
> your javascript, some caching on the server end (admittedly easier said 
> than done), compression/decompression and you've eliminated a chunk of 
> the problem.
> 
> I think it boils down to having good use-cases and aggresively testing 
> the app.
> 
> Ditesh
> 
> 
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