Database Tuning (MOSC)

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PGA more than SGA?

edited Aug 13, 2014 7:57PM in Database Tuning (MOSC) 4 commentsAnswered

I generated a ADDM report today and the recommendation is to increase the pga_aggregate_target which is set to quiet high already and as the per advisory it PGA would be more than SGA.

Currently the sga_target is set to 12240M and pga_aggregate_target is 10391M.

PGA_TARGET_FOR_ESTIMATE PGA_TARGET_FACTOR ADVICE_STATUS         BYTES_PROCESSED ESTD_EXTRA_BYTES_RW ESTD_PGA_CACHE_HIT_PERCENTAGE ESTD_OVERALLOC_COUNT

----------------------- ----------------- ------------- ----------------------- ------------------- ----------------------------- --------------------

             1361969152             0.125 ON                     14729624214528       9895874482176                            60                    3

             2723938304              0.25 ON                     14729624214528       9850824168448                            60                    0

             5447876608               0.5 ON                     14729624214528       9812956460032                            60                    0

             8171814912              0.75 ON                     14729624214528       9812956460032                            60                    0

            10895753216                 1 ON                     14729624214528       9810776899584                            60                    0

            13074903040               1.2 ON                     14729624214528         27376969728                           100                    0

            15254053888               1.4 ON                     14729624214528         27376969728                           100                    0

Is it ok to have pga larger than sga?

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