[GE users] A "do not disturb" flag for low prio jobs?

Stefan.O.Nordlander at astrazeneca.com Stefan.O.Nordlander at astrazeneca.com
Mon Jan 2 08:25:34 GMT 2006


Mark, Charu, Reuti and Stephan,

good suggestions, simplicity is often the answer. Thanks.

/Stefan

> -----Original Message-----
> From: Stephan Grell - Sun Germany - SSG - Software Engineer
> [mailto:stephan.grell at sun.com]
> Sent: den 22 december 2005 09:25
> To: users at gridengine.sunsource.net
> Subject: Re: [GE users] A "do not disturb" flag for low prio jobs?
> 
> 
> 
> 
> Stefan.O.Nordlander at astrazeneca.com wrote On 12/21/05 15:54,:
> 
> >Hey,
> >
> >I was just asked if there is a way to make SGE aware that a 
> job is currently
> >in a "sensitive" state and shouldn't be suspended. Lets say 
> you have 56
> >normal priority queues and they're all full. Then a job with 
> higher priority
> >comes along and ends up on node 050. However, the original 
> job on node 050
> >just sent away a web request to a database/whatever and if 
> that process gets
> >interrupted the job will fail once resumed.
> >
> >Is there a way to solve this? The chance of it happening is 
> remote, but
> >still, it's there and we'd like to prevent it if possible. A "Do Not
> >Disturb" flag that could be set prior to sending the 
> database request and
> >then released when it's done would be an alternative I 
> guess. But is it
> >possible?
> >
> Hi,
> 
> you could disable all queues on that host via 'qmod -d" and 
> enable them
> later after the critical area is left. All jobs with continue to run,
> which are in
> disabled queues but no new ones wil be dispatched on that host.
> 
> Stephan
> 
> >
> >
> >Thanks, and a merry x-mas!
> >/Stefan
> >
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> 
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