RE: 11g RedHat 5 and Hugepages? anybody successful ?

Jared- both lock_sga and pre_page_sga are set to FALSE.

 

From: Jared Still [mailto:jkstill@xxxxxxxxx] 
Sent: Monday, October 11, 2010 3:54 PM
To: Crisler, Jon
Subject: Re: 11g RedHat 5 and Hugepages? anybody successful ?

 

Jon,

 

Do you have the LOCK_SGA and PRE_PAGE_SGA parameters set?


Jared 

On Mon, Oct 11, 2010 at 10:59 AM, Crisler, Jon <Jon.Crisler@xxxxxxx>
wrote:

I have been trying to get hugepages working on 11gR1 without success.
Has anybody been able to get this to work properly? In order to use
hugepages, you have to turn off 11g ASMM which uses the /dev/shm memory
mapping.

Hugepages are configured properly in OS, /etc/security/limits.conf
updated for hugepages.  If I attempt to set memory_target  and
memory_max_target to zero (or reset them) then I get ORA-00849
SGA_TARGET ### cannot be set to more than MEMORY_MAX_TARGET.  I am
following technote 749851.1, and even opened a support case with Oracle,
and I am not getting anywhere.

Any clues as to what I am missing?  Thanks- Jon
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