Re: Performance benchmark with Oracle 32bit and 64bit
- From: "Anjo Kolk" <anjo.kolk@xxxxxxxxxxx>
- To: nirmalya@xxxxxxx
- Date: Sat, 30 Sep 2006 14:19:08 +0200
Basic and Rule Of Thumb:
"If 32 bit oracle does a lot of reads, 64 bit oracle will help to reduce the
reads and improve overall performance"
"If 32 bit oracle does not do a lot of reads, 64 bit oracle will not improve
that much and overall performance could degrade a bit"
Also make sure that you do real tests: run long enough for I/O and cache
impact to become steady. So called "Steady State".
Anjo.
On 9/29/06, Nirmalya Das <nirmalya@xxxxxxx> wrote:
I am trying to establish a "performance benchmark" between an Oracle 32bit
vs.
Oracle 64 bit installations for the same database.
I think I posed the question before and sorry for the repost.
My understanding with the 64bit is that I can have a much larger SGA than
the
32bit installation and thereby be able to play with many other pools like
keep
pool etc.
Has anybody done any study on this or know of any tool which can help
doing this
study.
Thanks for your help.
Nirmalya
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Anjo Kolk
Owner and Founder OraPerf Projects
tel: +31-577-712000
mob: +31-6-55340888
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