The problem is that memory is currently stored as an uint32, so it overflows
at a little over 4TB.  Since it is hardcoded, 32- vs. 64-bit doesn't make a
difference.

I took a look at the code at one point, but it wasn't as simple as changing
it to a uint64, so I took the route of 'fudging' all of the memory values.
I ended up dividing the values by 1024, and then adding a hack in the graph
so the values are displayed as T instead of M...

If you are interested, I can grab my changes on Monday when I am in the
office.

Chris Slaughter


On 9/7/07, Bernard Li <[EMAIL PROTECTED]> wrote:
> Hi Jim:
>
> On 9/7/07, Jim Rowan <[EMAIL PROTECTED]> wrote:
>
> > We have a cluster with more than 4T of memory.  Ganglia (3.0.4) won't
> > show that on the graphs, although if you visit the physical view it
> > seems to have the correct number.  If you restart all the gmonds, the
> > summary memory graph looks like a sawtooth; ramping up to 4T and
> > dropping suddenly to zero as it wraps around, and ramps up again.
> >
> > Where is the problem likely to be?
>
> This bug has already been filed:
>
> http://bugzilla.ganglia.info/cgi-bin/bugzilla/show_bug.cgi?id=128
>
> But no solutions yet...
>
> Cheers,
>
> Bernard
>
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