Oracle maintains its own buffer cache inside the system global area (SGA) for each instance. A properly sized buffer cache can usually yield a cache hit ratio over 90%, meaning that nine requests out of ten are satisfied[...]
This page is an introduction to my blog, which is dedicated to Oracle data base performance management.
I found over the years sharing knowledge to be an invaluable tool in assisting me in my various consulting assignments. Spending most of my time in capacity planning, tuning, application sizing and performance management, I thought it might be [...]
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