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echo: novell
to: JEFF DUNLOP
from: FRANK RAMSEY
date: 1996-08-19 21:40:00
subject: Re: NETWARE V3.12 TUNE-UP

 JD> What if I were a customer standing with you at the 
 JD> console, with 20MB of cache buffers and a 95%+ hit rate on 
 JD> my cache? How would you sell me another 32MB of RAM?
Jeff,
I'm not going to be drawn into a justification of rules of thumb.  And with 
memory so cheap, the cost of memory isn't the big issue use to be.  
Suffice it to say, Netware LOVES memory.  Performance comes from having lots 
of things cached in memory.  Sure, fast disk and network IO can affect 
performance.  
My thoughts are to make sure memory is not an issue.  No way, no how.  Always 
know the server has at least 60% free cache.  80% would be better.
Novell says the short term cache hit rate should be very close to 100% for 
the best performance.  Long term cache hit rate should be 98% or better.
framsey@goodyear.com - CNE, PE - CIS 71631.1032
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