Analyzing AWR reports, how can i decide i need to increase my SGA

Hi,
I am analyzing my Production server AWR reports, how can i decide on which basis i can increase SGA.
Thanks,
Mahi

You need to make sure that the corresponding memory areas are not having any waits associated with them. Changing the memory parameters is generally not an option to pick in 10g as the instance management is automatic( shouldbe) and this makes the allocations done in an optimal manner depending upon the workloads. Still the change in the parameters can be there when we see some specific wait event related to that memory area. For example, if you see lots of Shared Pool latch contention and you are assure that you have no duplicate sqls coming up in your system than may be you have an undersized shared pool so it can be increased.
You are using AWR.What about the recommendations from ADDM?Is there any advice coming up to change the memory components ? Did you elliminate all teh other areas which may be a problematic reason rather than a low memory value for parameters?
Aman....

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