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*

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