Also what size (and how many) processors are in the Windows NT/W2K
machine???
I have seen non-server win-nt clients halve their processing time when a
user upgrades from Pentium to Pentium II or III, etc.
Client processor muscle matters! My first Mac clients only got
25Megs/Hour!!!
... joe.f.
Joseph A Faracchio, Systems Programmer, UC Berkeley
On Wed, 14 Feb 2001, Richard Sims wrote:
> >I believe you change the buffer pool size in the dsmserv.opt file and use an
> >entry as follows:
> >BUFPOOLSIZE 16384
> >The accepted way to do this is to note your current buffer pool size and then
> >double it. Watch your cache hit percentage for a day or two and then double
> >again to achieve the optimal server performance with should be attained when
> >the cache hit percentage is stable and above 99 percent...
>
> By all means pursue this. But...as the ADSM Performance Tuning Guide pointed
> out (http://www.tivoli.com/support/storage_mgt/adsm/pubs/admanual.htm#perfV3)
> you should not do this without observing realities in your operating system.
> You can certainly achieve very high Cache Hit ratios and still have crummy
> performace - because the caching is happening in virtual storage. We
> recently saw a posting from a customer with a 70 GB database and only 512 MB
> for the server system - a tight squeeze at best, considering all the other
> memory requirements in running a server system. Server systems need abundant
> memory.
>
> This all boils down to capacity planning and being realistic about what can be
> achieved in the current system's configuration. You need to consider much
> more than TSM, in that it's just one passenger demanding service on the cruise
> ship.
>
> Richard Sims, BU
>
