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DevOps & Automation · Intermediate

Reconciliation Loop

The control-loop pattern in which a controller repeatedly compares desired state with actual state and acts to close the gap.

Definition

Kubernetes controllers, operators, and GitOps agents all use reconciliation. It enables self-healing and declarative management.

Example

If a Deployment specifies 3 replicas and one pod crashes, the controller creates a replacement.

Exam tip

Reconciliation is continuous, not one-time; that is why manual changes get reverted.

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