Re: [Condor-devel] Master ad tweak proposal

[Matthew Farrellee <matt@xxxxxxxxxx>]

On 11/01/2012 10:30 AM, Peter MacKinnon wrote:
> On 10/30/2012 03:40 PM, Matthew Farrellee wrote:
> > On 10/30/2012 02:01 PM, Peter MacKinnon wrote:
> > > It would be nice to incorporate a few additional attributes into the
> > > Master daemon ad so that it could serve as a record of inventory for a
> > > pool. A management console (like Cumin) could then use this information
> > > to display host load average and current RAM/swap usage independent of a
> > > configured startd and its attendant slot breakout ads and attributes.
> > >
> > > # from /proc/meminfo
> > >      TotalMemory
> > >      FreeMemory
> > >      TotalSwap
> > >      FreeSwap
> > >
> > > # from /proc/loadavg
> > >      LoadAverage
> > >
> > > # from /proc/loadavg (threads)
> > >      TotalProcs
> > >      RunningProcs
> > >
> > > Some of these have existing condor_sysapi generators like
> > > sysapi_swap_space and sysapi_load_avg. DetectedMemory is already present
> > > in the Master ad. The new free swap/memory attributes would need basic
> > > calculations if I'm not mistaken.
> > >
> > > Appreciate your feedback.
> > >
> > > Thanks,
> > > \Pete
> > Arguably these should be attributes on a MachineAd. Why go for the
> > MasterAd over the MachineAd?
> >
> > Best,
> >
> >
> > matt
> Ubiquity I suppose if we consider these attributes aspects of inventory
> as opposed to matchmaking candidates. But point taken.
>
> \Pete
Two more reasons come to mind -
 . the startd reports on individual slots, not machines
 . data must come from all machine, not all machine may run a startd

Best,


matt