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From "Behnam B.Marandi" <behnam.b.mara...@gmail.com>
Subject Huge daily outbound network traffic
Date Tue, 07 Aug 2018 08:09:39 GMT
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?

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