if i set a key cache size of 100% the way i understand how that works is: - the cache is not write through, but read through - a key gets added to the cache on the first read if not already available - the size of the cache will always increase for ever item read. so if you have 100mil items your key cache will grow to 100mil
Here are my questions: if that is the case then what happens if you only have enough mem to store 10mil items in your key cache? do you lose the other 90% how is it determined what is removed? will the server keep adding til it gets OOM? if you add a row cache as well how does that affect your percentage? if there a priority between the cache? or are they independant so both will try to be satisfied which would result in an OOM? thanx, artie -- http://yeslinux.org http://yestech.org
