Re: [Condor-users] condor_shadow "D" state in processes

["Robert E. Parrott" <parrott@xxxxxxxxxxxxxxxx>]

Followup:

A mixture of adding nscd on the submit node, and disabling log files  
on NFS volumes, seems to have alleviated the problem.

rob


On Dec 5, 2007, at 2:04 PM, Robert E. Parrott wrote:

> Looking at the condor_shadow processes with strace, I'm seeing that
> the condor_shadow processes are hanging when doing a lookup of user  
> ids.
>
> I can sometimes see yp errors while doing a "ps" on the command line
> when many condor_shadow processes aare hanging.
>
> I'm going to take a look at nscd as a possible fix here.
>
> rob
>
>
> On Dec 5, 2007, at 4:21 AM, Matt Hope wrote:
>
> > On Dec 4, 2007 6:00 PM, Todd Tannenbaum <tannenba@xxxxxxxxxxx> wrote:
> > > Robert E. Parrott wrote:
> > > Guess :  Is the user asking to have a log file via
> > >    log = /some/path
> > > in his/her submit file?  If so, does the path to the log file
> > > exist on
> > > NFS?
> >
> > As a good general rule (general rules are for assimilation rather  
> > than
> > dogmatic application) In a distributed high throughput system try to
> > avoid going of you local node where ever possible.
> >
> > It is tempting to write everything to the network where it is
> > available and it can make life easier but you are creating a  
> > potential
> > bottleneck so caveat architectus.
> >
> > Matt
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