+1 We too face similar issue sometime. I am interested to know more about it.
On Thursday, November 29, 2018, Alexander Filipchik <afilipc...@gmail.com> wrote: > Hello! > > I inherited Kafka cluster which runs on AWS (I3.4xl instances). > Each node ingests around 8k messages per second. > Instance stats: > Network in is around: 13 MB/s > Network out is around: 50 MB/s > > Kafka stats show slightly different picture: > counter-bytes-in: 2.7 MB/s > counter-bytes-out: 2.9 MB/s > > CPU is constantly at 80% (16 cores) . > I'm trying to figure out what can be causing such a high CPU and why kafka > JMX stats are so different from AWS network stats. GC is not looking bad, > the only fishy part is - there are *14000 connections *opened to each > server. Can it be causing high CPU? What is the best way to troubleshoot > it? > > Thank you, > Alex > -- *Suman* *OlaCabs*