[torquedev] recent torque changes

Glen Beane glen.beane at gmail.com
Sat Feb 2 01:26:44 MST 2008


On Feb 2, 2008 3:04 AM, Garrick Staples <garrick at usc.edu> wrote:

> On Sat, Feb 02, 2008 at 02:45:51AM -0500, Glen Beane alleged:
> > I've just checked in some changes into trunk that increase the
> PBS_JOBBASE
> > constant from 11 to 61.  This allows for 64 char .JB and .SC files on
> > pbs_server/pbs_mom
> >
> > the previous 14 char limit was too small when you combine large job
> sequence
> > nubmers and large job arrays - we just couldn't hash those 11 characters
> > enough to make the neessary number of unique file names.
> >
> > This should help the job arrays scale much better.
> >
> > .JB files with the old size for their jobbase array are automatically
> > upgraded when pbs_server starts
> > we used a similar auto upgrader from 2.1.x to 2.2.0.  the only down side
> is
> > if you upgrade to 2.3.x you wouldn't be able to recover your jobs if you
> > downgrade back to 2.2.x (they will be renamed as .BD files I think)
>
>
> Would it make sense to rename the existing files when pbs_server or
> pbs_mom
> restarts?
>

rename the .JB or .JC files so the jobid part of the prefix isn't truncated
at 11 characters?  I think this might make sense, and it would be easy to do
in the job file upgrader code.

Or renaming them for backup purposes when they are auto upgraded?
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