i usually get this message
Buffer Cache Hit Ratio is 0 %, threshold value for this monitor is 92%
I checked PLE> 6000
having memory > 18 GB
System memory 24 GB.
No Dropclean* commands executed. BCHR now 100%.
How can i trouble shoot this?
i checked there was update stats command was executing.
can this command brought BCHR to 0%? . i think this is possible
Please guide me
Manish