If you change stream throughput it won't affect currently running streams but it should affect new ones.
all the best, Sebastián On Dec 4, 2015 5:39 AM, "Jonathan Ballet" <jbal...@edgelab.ch> wrote: > Thanks for your answer Rob, > > On 12/03/2015 08:32 PM, Robert Coli wrote: > >> On Thu, Dec 3, 2015 at 7:51 AM, Jonathan Ballet <jbal...@edgelab.ch >> <mailto:jbal...@edgelab.ch>> wrote: >> >> I noticed it's not really fast and my monitoring system shows that >> the traffic incoming on this node is exactly at 100Mb/s (12.6MB/s). >> I know it can be much more than that (I just tested sending a file >> through SSH between the two machines and it goes up to 1Gb/s), is >> there a limitation of some sort on Cassandra which limit the >> transfer rate to 100Mb/s? >> >> >> Probably limited by number of simultaneous parallel streams. Many people >> do not want streams to go "as fast as possible" because their priority >> is maintaining baseline service times while rebuilding/bootstrapping. >> >> Not sure there's a way to tune it, but this is definitely on the "large >> node" radar.. >> > > I was actually a bit surprised that the limit seems to really be capped at > 100 Mb/s, not more not less. So I was thinking there was something else > playing here... > > Jonathan >
