The other option is to iteratively increase the cache size and run the application under peak steady state load until the PMI metrics report no more cache discards.

Load in Progress 0x20000 This is a transient state that is only in effect during a load operation (against a recoverable database) that specifies the COPY NO option.

The utility model has the advantages of steady operation state, low cost, high degree of automation, small work load, and no impact on health of the sampling person.