Database Tuning (MOSC)

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V$SGA_TARGET_ADVICE interpretation

edited May 7, 2009 12:01AM in Database Tuning (MOSC) 3 commentsAnswered

 Hi All,
We have recently upgraded and EBS suite to rel 12 on database 10.2.0.4 on a redhat 4 server with 32 GB of ram with 32bit hugemem kernel (sga is obviously locked in ram with the hugepage feature)

The instance was initially sized with a sga_target of 1GB (as per db sizing pointed out in document 396009.1 for production instance with 100 users). Reviewing instance performance, and the V$SGA_TARGET_ADVICE view, I decided to increment sga_target to 2GB, and I also followed parameter sizing of note 396009.1 for instance with 100-500 users. I let the database run for a while, and now in the V$SGA_TARGET_ADVICE we have:

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