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Re: [Condor-users] Flocking drawback
- Date: Mon, 26 Sep 2005 18:41:38 -0500
- From: Erik Paulson <epaulson@xxxxxxxxxxx>
- Subject: Re: [Condor-users] Flocking drawback
On Mon, Sep 26, 2005 at 06:33:59PM -0500, Thomas Materna wrote:
> Unfortunately, or fortunately, the problem has passed and condor eventually
> matched my jobs after a few hours. I don't have what you ask.
> Anyway, I never said that condor matched the jobs with the machines, the
That's the only way that Condor would have started the other job there
> machines just appear claimed for some small time and then go back to
> unclaimed, simultaneously, the vanilla jobs of the other user appear running
> on those machines or [?????????????] and then back into idle status again.
> The thing is that during the time condor needs to realized the requirements
> are not met, my jobs miss their chance!
Condor doesn't work that way, so your jobs didn't miss their chance.
>From everything you've described, it's a mistaken requirements on the
vanilla jobs. They're always going to match first because they've got
> Cyclotron Institute, Texas A&M university
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> > -----Original Message-----
> > From: condor-users-bounces@xxxxxxxxxxx
> > [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Erik Paulson
> > Sent: Monday, September 26, 2005 15:32
> > To: Condor-Users Mail List
> > Subject: Re: [Condor-users] Flocking drawback
> > On Mon, Sep 19, 2005 at 11:26:05PM -0500, Thomas Materna wrote:
> > > Hi,
> > > I have major problems with flocking. I have a pool A of 3 computers
> > > sharing a filesystem. I have a pool B of 20 computers not
> > sharing the
> > > same file system as the pool A. A flocks to B. I have a
> > bunch of jobs
> > > submitted from A in standard universe but I have a very bad
> > priority
> > > since I've been doing that a lot lately. Another user also
> > has whole bunch of jobs submitted to A.
> > > But his are in vanilla universe, he added in his submit file a
> > > requirement of the type
> > > ((Machine==A1) || (Machine==A2)...) where A1, A2 are the
> > machines in
> > > the pool A.
> > >
> > > Well, he will never run on pool B, but he prevents me from
> > running on it!!!!
> > > What happens is that at every cycle, having a better priority, he
> > > claims all the machines in pool B, my jobs can hence not do
> > so. Only
> > > then the jobs reject the machines for not meeting the
> > requirement. I
> > > have 20 machines doing nothing!
> > >
> > > How can I get around that? Is there a way to avoid the jobs
> > claiming
> > > machine they won't accept to run on anyway? If not, I
> > consider it a major flaw.
> > Condor will not match jobs with machines that do not meet the
> > requirements of the job. Can you give an example of a job
> > (condor_q -l jobid) and a machine (condor_status -name
> > <machinename> -l) that matched that shouldn't have?
> > -Erik
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