Capacity Planning

Good morning,

I am trying determine whether a proposed 8-way Intel (Unisys ES7000) system running Windows 2000 will support our anticipated work load.

I know this question has a LOT of variables but I don't even have a feel for some of the numbers.

Two things:

One - just to get an idea of the scale of things, is 300 concurrent users a
'lot' on such a system?

Like I said, I KNOW there are many other variables - specifically, what the users are doing at the time, tunning, ... but I am wondering (assuming well written queries, apps, database design, ...) if this number is in the range of

'THIS SYSTEM IS OVERKILL'
'PROBABLY OK'
'HMM BETTER LOOK OUT'
'YOU ARE INSANE AND WILL BE JOB HUNTING SOON'
Does anyone have a similar system running with say ... 1000 concurrent users? 100? 5000???

Two - Can anyone point me to resources (other than the vendors) that might help. I don't know why I have such distrust for someone who wants my money.

Thanks,

Mike

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