Thanks to Nigel Antell – he has posted a comment on one of Tanel Poder’s blog notes with a link to MOS Doc ID 1269139.1. In this note a parameter called _MEMORY_IMM_MODE_WITHOUT_AUTOSGA is described. It allows Oracle 11gR2 to adjust sizes of shared memory structures even if Automatic (Shared) Memory Management have been explicitly disabled; with the main purpose of avoiding ORA-04031 error. This is nice.
PS. I wonder if it was done by Oracle development specifically due to many customers don’t like ASMM (for ex. because of negative impact on application) but encounter ORA-04031 from time to time, which results in many opened SRs. Who knows.
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