Actually I did. It seems this is a cross node traffic from one node to port 7000 (storage_port) of the other node.
On Sun, Aug 12, 2018 at 2:44 PM Elliott Sims <elli...@backblaze.com> wrote: > Since it's at a consistent time, maybe just look at it with iftop to see > where the traffic's going and what port it's coming from? > > On Fri, Aug 10, 2018 at 1:48 AM, Behnam B.Marandi < > behnam.b.mara...@gmail.com> wrote: > >> I don't have any external process or planed repair in that time period. >> In case of network, I can see outbound network on Cassandra node network >> interface but couldn't find any way to check the VPC network to make sure >> it is not going out of network. Maybe the only way is analysing VPC Flow >> Log. >> B. >> >> On Tue, Aug 7, 2018 at 11:23 PM, Rahul Singh < >> rahul.xavier.si...@gmail.com> wrote: >> >>> Are you sure you don’t have an outside process that is doing an export , >>> Spark job, non AWS managed backup process ? >>> >>> Is this network out from Cassandra or from the network? >>> >>> >>> Rahul >>> On Aug 7, 2018, 4:09 AM -0400, Behnam B.Marandi , wrote: >>> >>> Hi, >>> I have a 3 node Cassandra cluster (version 3.11.1) on m4.xlarge EC2 >>> instances with separate EBS volumes for root (gp2), data (gp2) and >>> commitlog (io1). >>> I get daily outbound traffic at a certain time everyday. As you can see >>> in the attached screenshot, whiile my normal networkl oad hardly meets >>> 200MB, this outbound (orange) spikes up to 2GB while inbound (purple) is >>> less than 800MB. >>> There is no repair or backup process giong on in that time window, so I >>> am wondering where to look. Any idea? >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >>> For additional commands, e-mail: user-h...@cassandra.apache.org >>> >>> >> >
