Re: SGA QUESTION

I had read from a paper that . NEVER EXCEED 55% of totaL memORY FOR NT . but I KNOW THAT YOU CAN NOT EXCEED 2 GB TOO.

• Original Message ----- To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Sent: Monday, June 25, 2001 10:53 PM

> Does anyone have an idea of what percentage of total memory should be
> reserved for NT? Say I had 600m of memory available. How big could my
SGA
> be and still have NT run properly?
>
> Ron Smith
> Database Administration
> rlsmith_at_kmg.com
>
>
> -----Original Message-----
> Sent: Monday, June 25, 2001 2:33 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hello,
> The upper limit for a server running NT is 2gb, because usually only
> 4gb of
> memory can be installed. However, I believe that with the patch
installed,
> enabling NT to go above 4gb of ram, it will also increase the upper limit.
> KK
>
> -----Original Message-----
> Kanagaraj
> Sent: Monday, June 25, 2001 2:18 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi all,
>
> >If he has 8GB of memory, why not allocate 4GB to the data
> >buffer instead of
>
> I don't remember the limit, but there *is* an upper limit on the amount of
> memory that a single process can address in NT (was it 2Gb?). Since the
> architecture of Oracle on NT is a single-process-multi-threaded one, and
all
> of the SGA and PGA is actually within this process space, I believe that
you
> may be bumping this upper limit....
>
> Maybe someone with a deeper understanding of NT can chip in (Anita?)
>
> John Kanagaraj
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Author: Bunyamin K. Karadeniz
  INET: bunyamink_at_havelsan.com.tr

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