Archived from groups: microsoft.public.win2000.advanced_server (
More info?)
In that case set the priority of the task to real-time.
Lee
"duke 015" <duke015@discussions.microsoft.com> wrote in message
news:816BE4C4-B9A5-4624-A1F8-B6C5F81C16C2@microsoft.com...
> I don't think I clearly stated the issue.
> - because win2000/nt is a virtual memory system, we are stuck with the
> concept of page files and swapping
> - anyone interested in quick user response, realizes that ANY swapping of
> your application is counterproductive.
> - swapping pages by the OS (in order to compute a response to a
> keystroke/click) will result in response times that are 10-20 times slower
> than a response computed with no swapping
> - obviously, if the appl is already very slow (because of constant
> swapping), the last thing we want to do is promote MORE swapping.
> - in a perfect world, NO pages of this appl would ever be swapped, and the
> OS could address 100% of the application constantly.
> - for those of us who remember OS's that were not based on swapping, your
> application was 100% memory resident, and the user response times were
> limited primarily by the cpu cycles (not 1000's of disk reads to reload
your
> appl).
> - I'm looking for anyone that knows how to tune win2000 to accomplish this
> goal.
> - Thank you for your response.
>
>
> "Lee" wrote:
>
> > OK, with 4gb of RAM the page file should be 6 gb (1.5 ram) and with your
app
> > maybe higher. Did you isolate it (pagefile) on its own disk? Next make
> > sure the pagefile is not fragmented - use perfect disk because it will
> > defrag a pagefile otherwise you will have to create one on another
disk,
> > delete the fragmented one, defrag the original disk and recreate the
> > pagefile on the original disk then delete the other pagefile. The
pagefile
> > settings (initial and maximum) should be the same size to prevent
> > fragmentation. WxK gives a program a 2gb memory space so memory should
not
> > be an issue. As for swapping out you can set its priority lower/higher.
> > Have you done any monitoring?
> >
> > Lee
> >
> > "duke 015" <duke015@discussions.microsoft.com> wrote in message
> > news:A6348232-FEC3-4B0A-B6D5-C2BF0A461797@microsoft.com...
> > > I have an appl that has virtual memory requirements of approx
1.8gbyte.
> > The
> > > performance is awful (response to user actions), and I'm convinced
that
> > it's
> > > constantly swapping. It's running on a dual PIII 1000mhz, 4gbyte RAM,
> > 4gbyte
> > > swap file, system with no other applications.
> > > But the task manager shows that it's always got 1/2 of the appl in
memory
> > > and the rest in the swap file. Back in my VMS days, the admin could
> > > configure each appl to be not-swappable or set the minimum working set
> > > (higher) to prevent unnecessary swapping. Can this be done on WIN2000
> > > advserver ??
> > > Help ! I need a solution before the users revolt !
> > > --
> > > duke 015
> >
> >
> >