On 2011-12-08 19:24, Gaja Krishna Vaidyanatha wrote: > But, I am still old school when it comes to buffer cache sizing, shared pool > & other pools sizing. I believe it should be part of a DBA's job and should > be automated ONLY in applications/databases that demonstrate consistent, > predictable and static behavior in workloads. For more dynamic and > inconsistent workloads, I personally would go with manual memory settings. It > is worthwhile incurring the additional cost of allocating more memory for the > required structures and gain stability and consistency in return. Plus, the > CPU overhead of MMAN (if and where relevant) can be avoided. > > Please consider, despite of disabling AMM Oracle still fights back via: *"SGA Re-Sizes <javascript:;> Occurring Despite AMM/ASMM Being Disabled (MEMORY_TARGET <javascript:;>/SGA_TARGET <javascript:;>=0) [ID 1269139.1]" Regards GregG * -- //www.freelists.org/webpage/oracle-l