A Practical Guide to Kubernetes/

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The Mismatch Scenario

The Mismatch Scenario

Explore what happens when a namespace's defined limits are violated.

We'll cover the following...

Let’s see what happens when resources are defined but they do not match the namespace min and max limits.

Looking into the definition

We’ll use the same go-demo-2.yml that we used before. The output, (limited to the relevant parts) is as follows.

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...
apiVersion: apps/v1
kind: Deployment
metadata:
  name: go-demo-2-db
spec:
  ...
  template:
    ...
    spec:
      containers:
      - name: db
        image: mongo:3.3
        resources:
          limits:
            memory: 100Mi
            cpu: 0.1
          requests:
            memory: 50Mi
            cpu: 0.01
...
apiVersion: apps/v1
kind: Deployment
metadata:
  name: go-demo-2-api
spec:
  ...
  template:
    ...
    spec:
      containers:
      - name: api
        ...
        resources:
          limits:
            memory: 10Mi
            cpu: 0.1
          requests:
            memory: 5Mi
            cpu: 0.01
...

In this output, the resources for both Deployments are defined.

Creating resources

Let’s create the objects and retrieve the ...