RE: 11g RedHat 5 and Hugepages? anybody successful ?
- From: "Crisler, Jon" <Jon.Crisler@xxxxxxx>
- To: "Niall Litchfield" <niall.litchfield@xxxxxxxxx>
- Date: Mon, 11 Oct 2010 14:09:32 -0400
Well, the problem is that this is a RAC install, with spfile on ASM. I
can probably create a pfile on one node and try it.
From: Niall Litchfield [mailto:niall.litchfield@xxxxxxxxx]
Sent: Monday, October 11, 2010 2:06 PM
To: Crisler, Jon
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: 11g RedHat 5 and Hugepages? anybody successful ?
Hi
I would.first unset all _target and max_size parameters in a pfile and
use manual memory management. Then migrate to an spfile. Then migrate to
SGA and PGA targets.
On 11 Oct 2010 19:01, "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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