RE: How big SGA for 32GB RAM
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: <don@xxxxxxxxx>, <Harvinder.Singh@xxxxxxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 18 Jan 2007 14:11:00 -0700
Don and Harvinder, I recommend you both take a look at
v$db_cache_advice, your wait events (from statspack, AWR, or
v$session_event and v$system_event) and even the old buffer hit ratio
and then after taking all that into account, make an informed decision
based on your findings rather than sizing your SGA/buffer cache based on
how much RAM you have. The question asked is analagous to asking:
"My car can go 180mph, how fast should I drive?"
Regards,
Brandon
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