[GE users] group resource quota

andreas andreas.haas at sun.com
Tue Nov 18 16:48:29 GMT 2008


On Tue, 18 Nov 2008, brs wrote:

> Hi, Reuti,
>
> How about another example:
>
> Say I want to limit vmem usage for all users on any host to, say, 95% of
> the physical memory available (not exactly how I would set it up, but
> you get the idea).  Could I accomplish this like so?
>
> {
>   name         vmem_limit
>   description  "Limit users to only 95% of total physical memory to avoid \
>   swaping"
>   enabled      FALSE
>   limit        hosts {*} to h_vmem=$mem_total*0.95
> }
>
> And how would this limit manifest itself?  Would the first job that
> tried to allocate more than the quota allows bomb on a malloc() or
> something?  Is this even possible within the rqs or should I just use
> limits.conf?

This does not (yet) work. Reason is that resource quota limits are 
not enforced as resource limits. If they were malloc() 
would return NULL once the quota is exceeded.

Regards,
Andreas

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