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Microsoft Performance Counter Value ( the acceptable limit )

Last Modified: 2013-12-01
We use Microsoft Performance Counter to check the system performance .

I will like to know what are the acceptable limits for

(a) % Processor  Time.  What is the limit ??? ( Question#1)

I heard 80%-85% is acceptable. Below 85% still indicate that the CPU still can handle
the present system needs and do not need to upgrade CPU ??

(b) Memory : page/sec .  What is the limit ???  ( Question#2 )
                                        Above what limit we should consider to upgrade RAM to bigger
                                        size ??

(c) Physical Disk :  % Disk Time .  What is the limit ???  (Question# 3 )
      Above what limit , we should consider to upgrade or change the new hard disk ????

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