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
