We too have a similar setup but we never observed any such spikes. Are you sure your disk IOPS is good enough? Check if that is throttling.
After a broker restarts, there might be more traffic as well because of followers trying to catch up with the leader. -Suman On Tue, Apr 7, 2020 at 11:59 AM Soumyajit Sahu <soumyajit.s...@gmail.com> wrote: > We are running Kafka on AWS EC2 instances (m5.2xlarge) with mounted EBS st1 > volume (one on each machine). > Occasionally, we have noticed that the write ops/second goes through the > roof and we get throttled by AWS while the data throughput wouldn't have > changed much. As far as our observation goes, it happens usually after a > broker restart. > > Has anyone else come across this behavior? > > Thanks! > -- *Suman* *OlaCabs*