I've just started to monitor my slave nodes with ntop and munin. I haven't found good examples/docs of how to configure ntop to be able to get the network load for external traffic and for internal traffic, separately. I get the overall network traffic graph and pie charts by traffic type or things like that but it doesn't help me to see how much traffic generates the fetcher.
Basically I am just trying to see the actual network load for the fetcher and the network load because of hadoop and communications between nodes. Between munin and ntop, there is a lot of numbers there! Wow.. Could somebody share his/her experience with ntop (and munin) and eventually the config? That would be very helpful! Thanks J.
