Database Tuning (MOSC)

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SGA/PGA Allocation on 11g

edited Aug 8, 2018 12:45PM in Database Tuning (MOSC) 7 commentsAnswered ✓

HI All,

We are having Oracle 11g running on  Red hat 7 64 bit with 64 GB RAM .

We are facing memory crunch so we have allocated  SGA/PGA for almost 30 plus DB ,below is memory allocation for total SGA plus PGA.

SGA-26GB

PGA-51GB

Total- 77 GB

As RAM is 64 GB  ,IT already exceed RAM size ..upto what limit we can add more DB instances .

As per my understanding  only performance impact will be more swap space will be used ..is that correct or any other factor also we need to consider .

Thanks in advance.

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