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
