Pagecache size

[Ugo Bellavance]

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

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