max virtual memory areas vm.max_map_count [65530 code example

Example 1: Max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

# Execute:
sudo sysctl -w vm.max_map_count=262144
# Execute:
sudo echo 'vm.max_map_count=262144' >> /etc/sysctl.conf

Example 2: helm max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

# For k8s and helm resoures from below link
# https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
  labels:
    app: myapp
spec:
  containers:
  - name: myapp-container
    image: busybox:1.28
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
  initContainers:
  - name: init-myservice
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
  - name: init-mydb
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]