[GE users] PE Slots Problem
iadzhubey at rics.bwh.harvard.edu
Tue Aug 14 17:42:24 BST 2007
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Thanks for reply. Even though my setup is different, the connection between
requested resources and queue instances configuration is a good starting
point for debugging. The fact that you need to add any consumable resources
manually to each queue instance is confusing, and I only recently have
discovered this. Perhaps, I should give it another try with PE queues. Thanks
for offering help, I sure come back as soon as I get my hands on it.
On Sunday 12 August 2007 03:14:13 am Brian R. Smith wrote:
> I had created a boolean complex, t_devel, and set its default value to
> FALSE (qconf -mc), naively believing that this assignment would take for
> each queue instance. So, for example, if all.q has no explicit
> definition for t_devel, it will automatically assume it to be FALSE.
> This, as it turns out, was not the case. The queue devel.q had
> specified t_devel=TRUE so that development jobs would be sent to a set
> of over-subscribed (8 slots per processor) nodes for low time limit
> execution. Essentially, any job that requested t_devel would be
> considered a non-production run and would be sent to the appropriate
> hardware (based on any other resource requests that were made).
> For normal jobs, t_devel is not considered or specified in the job's
> submit script but it was added to the file 'sge_request' as
> t_devel=FALSE in order specify a default value. Because of this, each
> submitted job (except for development jobs) was requesting
> t_devel=FALSE, but each queue had t_devel as being undefined. Since
> this didn't match up, no slots were made available to the parallel
> environment and hence my jobs could not run.
> To correct the problem, I simply added t_devel=FALSE to each one of my
> queues' complex lists so that it would correspond to the settings I
> added to sge_request.
> I don't know the details of your problem or if its related to this. If
> you want to give me some details on your problem and perhaps some other
> information like queue configs, parallel environment configs, message
> file output, etc., I'd be willing to take a look.
> Ivan Adzhubey wrote:
> > Hi Brian,
> > I reported exactly the same problem with our dual-CPU cluster nodes about
> > a year ago and I was never able to get it resolved. I tried all possible
> > configurations and even reinstalled SGE from scratch couple of times but
> > nothing worked. Neither Reuti was able to help me even though he has
> > spent quite some time on this issue. So I'd appreciate if you can
> > elaborate on what exactly you've done to get it working. We normally do
> > not run much of projects requiring MPI but still may need it in the
> > future.
> > Thanks,
> > Ivan
> > On Thursday 09 August 2007 06:23:43 pm Brian R. Smith wrote:
> >> Got it. It was just a problem with a boolean complex value not being
> >> addressed in the queue configuration. Everything is working fine now.
> >> Thanks for your time.
> >> -Brian
> >> Brian R. Smith wrote:
> >>> Andreas & Reuti,
> >>> No, there is no load threshold defined for that queue and there are no
> >>> other jobs running on the host. The load is at 0.00. Is there any
> >>> other possible information I can provide?
> >>> Thanks for your help.
> >>> -Brian
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