Thanks!

Would anyone care to expand on the "tools" or the methods for preparing on
disk???

Thanks again!
-Shawn

"Curt Zirzow" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> * Thus wrote David Nicholson ([EMAIL PROTECTED]):
> > Hello,
> >
> > This is a reply to an e-mail that you wrote on Tue, 5 Aug 2003 at
> > 17:57, lines prefixed by '>' were originally written by you.
> > > I would prepare the file on disk instead of memory. If you do
> > > increase the memory to handle bigger files, what happens when you
> > > get 10 requests at the same time?  about 80MB of memory used.
> >
> > Correct me if I am wrong but would it not be better to use the
> > functions he is currently using (which prepare the data in volitile
> > memory) for as long as they allow for this.  The OS should then
> > realise when it does not have enough physical RAM for each of the
> > requests and handle swapping onto disk itself as and when it is
> > needed.  This would mean you haven't got the overheads of writing
> > lots of data to disk, just to delete it again when you do only have
> > one request at a time and have plenty of RAM spare to take care of
> > the operation.
>
> Better all depends on the situation.
>
> Now if one script forces your whole system to start using swap, I
> think there is something wrong. The system should never swap unless
> under heavy load.  And even then, things should be changed so that
> the system does not swap EVER.
>
> Having one script be inefficient is better than having the whole
> system brought down to its knees (and perhaps die due to lack of
> swap.)
>
> if only one person will be accessing the script at one time there
> isn't any issues, but I would always be weary of loading 8MB of
> data into one script, excpecially when there are tools readily
> available.
>
> Curt
> -- 
> "I used to think I was indecisive, but now I'm not so sure."



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