Given that you don't want the total of all of your SGAs to be more than 1/3 to 1/2 of your physical memory (various people give various percentages, but the principle is the same), you must have a pretty big machine there, else you'll end up thrashing yourself to death on OS page swaps. Ed Stevens -----Original Message----- From: Sonja ©ehovic [mailto:sonja.sehovic@xxxxxx] Sent: Thursday, December 02, 2004 9:36 AM To: oracle-l@xxxxxxxxxxxxx Subject: buffer cache > 2GB and sga_max_size > 4GB possible problems? Hi! Oracle 9.2.0.4 on AIX 5.2. I'm thinking of resizing my buffer cache >2GB and max_sga_size > 4GB.=20 Did anyone saw any bugs or problems related to this issue? TIA, Sonja -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l