Change a size of PGA and SGA

Hi,
I have a plan to increase size of PGA and SGA. Please recommend me which metric in Statspack report I should monitor to check what is the impact of such change.
Best.

Hi Lesak;
Please check below 2 thread:
How we size SGA
Re: Estimating SGA Size
SGA and PGA size
SGA and PGA size
Regard
Helios

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