I had the same requirement and modified iptraf to log traffic every second.
https://github.com/hobinyoon/iptraf-3.0.0.git Hobin On Thu, Dec 5, 2013 at 2:17 AM, Jason Wee <peich...@gmail.com> wrote: > Hi, > > Will it be simpler to just measure the network interface of the node > instead? > > /Jason > > > On Thu, Dec 5, 2013 at 10:57 AM, Jacob Rhoden <jacob.rho...@me.com> wrote: > >> >> >> http://unix.stackexchange.com/questions/41765/traffic-stats-per-network-port >> >> ______________________________ >> Sent from iPhone >> >> On 5 Dec 2013, at 5:44 am, Tom van den Berge <t...@drillster.com> wrote: >> >> Hi Chris, >> >> I think streaming is used for repair tasks, bulk loading and that kind of >> things, but not for regular replication traffic. >> >> I think you're right that I should look into network tools. I don't >> think cassandra can supply this information. >> >> Thanks, >> Tom >> >> >> On Wed, Dec 4, 2013 at 6:08 PM, Chris Burroughs < >> chris.burrou...@gmail.com> wrote: >> >>> https://wiki.apache.org/cassandra/Metrics has per node Streaming >>> metrics that include total bytes/in out. That is only a small bit of what >>> you want though. >>> >>> For total DC bandwidth it might be more straightforward to measure this >>> at the router/switch/fancy-network-gear level. >>> >>> >>> On 12/03/2013 06:25 AM, Tom van den Berge wrote: >>> >>>> Is there a way to know how much data is transferred between two nodes, >>>> or >>>> more specifically, between two data centers? >>>> >>>> I'm especially interested in how much data is being replicated from one >>>> data center to another, to know how much of the available bandwidth is >>>> used. >>>> >>>> >>>> Thanks, >>>> Tom >>>> >>>> >>> >> >> >> -- >> >> Drillster BV >> Middenburcht 136 >> 3452MT Vleuten >> Netherlands >> >> +31 30 755 5330 >> >> Open your free account at www.drillster.com >> >> >
