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Modifying the Deployment

After modifying the deployment configuration in the YAML file (the file name cannot be changed), run the following command to make the modification take effect:

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kubectl apply -f ./mysql_deployment.yaml

The apply command cannot be used to make the modification of some configuration data (for example, the CPU modification in single-NUMA restriction mode) take effect. In this case, you can use the following method:

  • Delete the deployment and create a deployment again.
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    kubectl delete -f ./mysql_deployment.yaml
kubectl create -f ./mysql_deployment.yaml
  • Delete the specified pod and deploy it again. The following uses mysql-1 as an example.
    kubectl delete pod mysql-1 -n ns-mysql-test
kubectl apply -f ./mysql_deployment.yaml