[GE users] Slots as host/queue consumable

Reuti reuti at staff.uni-marburg.de
Thu Mar 23 13:36:19 GMT 2006


Hi,

Am 23.03.2006 um 11:19 schrieb William Hay:

> Hi,
> we have a SGE 5.3 cluster which was installed and configured for us  
> by an
> external contractor (name omitted to protect the guilty).
>
> Each of the nodes has two queues on it <nodename>.cre which is  
> configured
> for loosely integrates parallel jobs and <nodename>.q which is  
> configured
> for serial jobs.
>
> If I type qstat -F each of the .cre queues lists an attribute
> hc:slots while each of the .q queues lists an attribute
> qc:slots with one exception (host sf009) which lists qc:slots
> for both queues.
>
> When using qconf -se all but the problems node list  
> slots=<numprocessors>
> under complex_values and NONE under complex_list.
>
> The .cre queues do have complex_list and complex_values but they  
> make no
> reference to slots.
>
> qconf -sc queue |grep slots
> produces no output
> qconf -sc host|grep slots
> produces
> slots            s          INT    0               <=     
> YES         YES        1
> None of the other complexes define slots either
>
> In an attempt to bring sf009 into alignment with the other hosts I  
> tried:
> qconf -rattr exechost slots 8 sf009
> but the only response is:
> qconf: "slots" is not a exechost attribute
>

what is the output of:

qconf -se sf009

compared to any other node of yours? - Reuti

> The presence of slots as a qc on both queues means that this host  
> ends up
> running twice as many jobs as it should which leads to jobs in the  
> serial
> queue being suspended which is a bad thing.  Raising the suspend  
> threshold
> would presumably just slow the jobs down which is also a bad thing.
>
> Any suggestions for how to fix this short of a complete re-install?
>
>
> William Hay
>
>
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