[torquedev] recent torque changes
Glen Beane
glen.beane at gmail.com
Sat Feb 2 12:07:50 MST 2008
On Feb 2, 2008 10:57 AM, Glen Beane <glen.beane at gmail.com> wrote:
>
>
> On Feb 2, 2008 4:36 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)
> >
> >
> > If we changed:
> > if (version == 0x00020200)
> > {
> > return upgrade_2_2_X(pj, fds);
> > }
> > else
> > {
> > return upgrade_2_1_X(pj, fds);
> > }
> > }
> >
> > To something like:
> > switch (version) {
> > 0x00020100: upgrade_2_1_X(pj, fds);
> > 0x00020200: upgrade_2_2_X(pj, fds);
> > default:
> > }
> > return;
> >
> > Then we could get upgrades from any point in the past to the current
> > struct?
> >
> this would work:
> switch (version) {
> 0x00020200: upgrade_2_2_X(pj, fds);
> break;
> default: upgrade_2_1_X(pj, fds);
> }
> return;
>
> there is no version 00020100 - there was no version number in the ji_qs
> struct at that point.
>
> upgrade_2_1_X upgrades anything from 2.1.X and earlier (I chose version
> numbers that couldn't match the first int in the old ji_qs struct without a
> version) to the new 00020300 version.
>
> upgrade_2_2_X goes from 00020200 to 00020300
>
> you don't need to call both upgrade funcs
>
>
>
by the way, I did test upgrading 2.1-fixes -> trunk and 2.2-fixes -> trunk
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.supercluster.org/pipermail/torquedev/attachments/20080202/bfffbf79/attachment.html
More information about the torquedev
mailing list