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Swapping While Sum of SGA Usage And PGA_AGGREGATE_LIMIT Is Larger Than The Amount Of Physical Memory (Doc ID 2273931.1)

Last updated on FEBRUARY 24, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


When upgrade to, if PGA_AGGREGATE_TARGET and PGA_AGGREGATE_LIMIT are not set, the PGA_AGGREGATE_LIMIT will be set to (120% * physical memory - sga_target).

If sum of SGA usage and PGA_AGGREGATE_LIMIT is larger than the amount of physical memory, swapping can be happen.




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