On 9 May 2012, at 19:26, Morteza wrote:
> Hi every body
>
> Is it possible to see the network traffic that transfers between each two
> node? For example I want to know how much data node1 has sent to node2 and
> vice versa.
> If ganglia doesn’t have this capability, how to add this to it?
This is not part of Ganglia standard metrics, and I don't know if there's any
plugin that does is already - have you searched https://github.com/ganglia/ ?
If you don't find something, I think you can try in two ways:
* Ganglia can get sFlow metrics. If you have a switch that connects the two
PCs, you may be able to get host-to-host traffic information from it via sFlow.
* if you're running Linux on one of the two, you can add "null" rules in
IPtables just to count packets and bytes (see the output of iptables -L -v) and
write a plugin or gmetric to feed that information to Ganglia
If you manage in either way, please share, it could be useful to have.
Cheers,
Sergio
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