----- Original Message ----

> From: Bernard Li <[EMAIL PROTECTED]>
> To: ganglia-developers <ganglia-developers@lists.sourceforge.net>
> Sent: Wednesday, August 20, 2008 2:33:02 AM
> Subject: [Ganglia-developers] Bugzilla Bug 193: Avg Load percentages and 
> overall cluster utilization.
> 
> Dear all:
>
Hi Bernard,
 
> http://bugzilla.ganglia.info/cgi-bin/bugzilla/show_bug.cgi?id=193
> 
> This patch has not been tested with meta-sources (i.e. gmetad
> aggregating gmetad) and thus the average utilization numbers are
> incorrect for grid of grids.
>
 
 thanks for spotting. It just shows that the number of deployment scenarios is 
just to big for the patch/feature developers. And that we cannot assume that  a 
release will have been completely tested for all scenarios.

> I currently have an incomplete fix, but I need to get consensus as to
> what average utilization really means for grid of grids: should
> "average utilization" for a grid be load average divided by the number
> of cpus for the *entire* meta-grid or just over the grid in question?
> 
> Alternatively, we can rollback this backport and punt it until 3.1.2.
> 

 No real strong feelings.

> On a related note, I think we should distinguish between a "Grid" and
> a "Meta-Grid" (i.e. a grid of grids) in the Front End -- do people
> care?
> 

 Definitely a good idea, as it seems to be a more and more common case.

Cheers
Martin


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