Pagecache size

[Tolga Evren]

Hi ,

-Shouldn't you be using the hugemem kernel (or is that only for x86)?

Yes, hugemem is only for x86 .

Can you also provide the output of /proc/meminfo and sar -B 3 10000 ,
sar -W 3 10000.

Kind Regards,
Tolga



-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Ugo Bellavance
Sent: Thursday, October 13, 2005 6:12 AM
To: redhat-list at redhat.com
Subject: Re: Pagecache size

Marcelino Mata wrote:
> Hi all,
>  

Hi

> We have a Opteron workstation with 16GB RAM which we use to run large
> memory jobs.  It seems that no matter what we set
> /proc/sys/vm/pagecache, the system starting swapping out after 12GB
RAM
> is used.  The largest job only needs about 13GB RAM so it runs in RAM.
> I have read the knowledge based docs and a few others but I can't seem
> to address this issue.

Can you provide us the output of 'vmstat 10 10' when memory used > 12
GB?

>  
> RHEL 3.0 Update5  2.4.21-32.0.1.ELsmp (64bit)
>  

Shouldn't you be using the hugemem kernel (or is that only for x86)?

> Marcelino
>  
>  
>  
>  
>  


-- 
Ugo

-> Please don't send a copy of your reply by e-mail.  I read the list.
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