docker-library/cassandra

High CPU utilization even when the cluster is idle

yogeshbidari opened this issue · 1 comments

Description

We have 3 node cassandra cluster on kubernetes.
The CPU utilization of the cluster/pods is high even when there is no load or queries running on the cluster. We are using bitnami/cassandra:3.11.3 docker image.
We are using grafana for monitoring the load.

Version

cassandra version: 3.11.3
GKE version 1.14.10

Infrastructure

Using GCP GKE for the k8s cluster deployment.

Assigned resource request and limits
Requests:

  • cpu: 3
  • memory: 15GB
    Limits:
  • cpu: 6
  • memory: 30GB

We are using bitnami/cassandra:3.11.3 docker image.

You should ask over at https://github.com/bitnami/bitnami-docker-cassandra

This repo is for https://hub.docker.com/_/cassandra