[Kappa-users] Guaranteed number of nodes for green partition

[Per Lundqvist]

On Tue, 16 Nov 2010, Per Lundqvist wrote:

> 
> [ This information affects only current users of the green partition of Kappa ]
> 
> Since new members have arrived in respective group using the green
> partition of Kappa the guaranteed nodes limit has been updated for both
> groups:
> 
> The limit is computed as: round(nodes/users * oversubscribe), where
> nodes currently is 29 and oversubscribe is 2.0:
> 
>    liu1 = round(29/13 * 2) = 4
>    liu5 = round(29/17 * 2) = 3

Correction, the number of users in the group were mixed up (in the
mail only). The correct limits are:

    liu1 = round(29/17 * 2) = 3
    liu5 = round(29/13 * 2) = 4

/Per

> 
> If we would lower this limit such that a running job breaks the limit
> the job wouldn't be killed, but enqueued jobs breaking the limit would
> be cancelled. We will therefore only apply this limit in a safe way
> such that it doesn't interfere with any jobs. We will manually inform
> users with enqueued jobs breaking the limit.
> 
> Since we can apply the limit safely we will do it automatically from
> now on. But try to inform you by mail when the limit has been lowered.
> 
> best regards,
> /Kappa admin
> 
> 

-- 
Per Lundqvist

National Supercomputer Centre
Linköping University, Sweden

http://www.nsc.liu.se