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Health checks

Ensure that the state of services within Kubernetes is healthy
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Most services that you deploy within Kubernetes have their own health checks.

Check the state of services

To check that the state of these services is healthy, run this command: 
kubectl get pods --all-namespaces --field-selector=status.phase!=Running,status.phase!=Succeeded
If you're running multiple workloads within the same cluster, you might want to use a filter for the Kubernetes namespace that you have used to deploy the solution.

Investigate pods that are in a non-healthy state

If you find pods that are in the CrashLoopBack state or the Failed state, investigate them as follows:
  1. Get a description of the resource.
  2. Query the pod logs.