Oops, I guess I was running an old version which didn't have that code.
I updated, and things look better.
Thanks Jesse
--Peter
On Aug 3, 2009, at 10:36 AM, Jesse Becker wrote:
> If you look around line 105 in cluster_view.php, you'll find these
> lines:
>
> if ( isset($metrics[$host]["cpu_num"]['VAL']) and
> $metrics[$host]["cpu_num"]['VAL'] != 0 ){
> $cpus = $metrics[$host]["cpu_num"]['VAL'];
> } else {
> $cpus = 1;
> }
> if ( isset($metrics[$host]["load_one"]['VAL']) ){
> $load_one = $metrics[$host]["load_one"]['VAL'];
> } else {
> $load_one = 0;
> }
> $load = ((float) $load_one)/$cpus;
> $host_load[$host] = $load;
>
> The load values should already normalized based on the CPU count for a
> system. Does ganglia actually have the correct CPU count for that
> host?
>
> On Mon, Aug 3, 2009 at 10:18, Peter Doherty<[email protected]
> > wrote:
>> I've looked for the answer to this question, but I can't find it.
>> And
>> I've looked through the code, but I couldn't figure out a way to make
>> it happen there either.
>> I've got a mix of clusters with various hardware, ranging from 2
>> cores
>> per node to 8 cores per node.
>> Currently ganglia displays the node as bright red if the node has a
>> load over 2.0
>> But I basically want the colors to be selected based on load divided
>> by cores.
>> A 2 core machine, with a load of 6 is overloaded. (And should
>> display
>> as red) An 8 core machine with a load of 6 isn't being fully
>> utilized. (And should be some shade of yellow perhaps. Ideally I
>> want
>> a workload that keeps all nodes with load equal to their number of
>> CPUs, this means they are being well used. I haven't bothered to
>> tweak the actual colors until I can get the load/core division
>> working
>> correctly.)
>> Can I change this behavior on a per cluster basis, or just put it
>> right into the php so that it can calculate the relative load itself?
>> The $load_scale variable affects all the clusters the same.
>>
>>
>> Thanks for any tips.
>> --Peter
>>
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>
>
>
> --
> Jesse Becker
> GPG Fingerprint -- BD00 7AA4 4483 AFCC 82D0 2720 0083 0931 9A2B 06A2
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