[Gllug] Forcing CPU and Mem limits on a process

[Jack Richards]

overcommit mem is a great spead improver, however don't use it if you don't 
have enough ram, otherwise the kernel OOM killer kicks in and you start 
getting unexpected results  
  
 
 
Quoting Tethys <tet at createservices.com>: 
 
>  
> Joel Bernstein writes: 
>  
> >If you call malloc() and there isn't enough available memory, malloc() will 
>  
> >return ENOMEM. 
>  
> Only if /proc/sys/vm/overcommit_memory contains the value 1. Otherwise, 
> it may succeed, even when there isn't memory available. If that's the 
> case, you'll get an error when you actually try and use the memory, not 
> when it's allocated in the first place. I'm not sure how that would tie 
> in with resource limits specified with ulimit... 
>  
> Tet 
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>  
 
 
Jack Richards  
  
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