[GE users] SGE 6 wait_waiting_time guidance?

Stephan Grell - Sun Germany - SSG - Software Engineer stephan.grell at sun.com
Mon Sep 6 08:05:41 BST 2004


Hi,

to get around job starvation, have a look at the resouce reservation. It 
will help you to prevent
starvation much more, than the weight_waiting_time parameter.

Cheers,
Stephan

Chris Dagdigian wrote:

>
> I'm working on a 120+ node cluster of Apple G5 Xserves where the 
> exepcted usage mix is probably going to involve jobs with runtimes 
> varying from minutes to weeks.
>
> One of the coolest new SGE 6 features is the urgency scheduling policy 
> and also the weight_waiting_time parameter which seems purpose-built 
> to solve some of the job starvation issues seen in 5.3.
>
> I'd like to start experimenting with adjusting the urgency policy and 
> the weight_waiting_time parameter to boost long-pending jobs up in 
> priority.
>
> Any advice or impressions from people already doing this? What are 
> some good initial values for weight_waiting_time and weight_urgency?
>
> Regards,
> Chris
>
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