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What is a sync in ArgoCD? What are the health statuses ArgoCD reports? How do you force a refresh or hard refresh of an Application? What does the diff view show and how do you use it? What does OutOfSync mean and what should you do about it? What is the Degraded health status? What is a dry-run sync? How does ArgoCD determine the health of a resource? What is the difference between sync status and health status? What are sync options and give common examples?
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ArgoCD › Sync & Health

What are the possible sync statuses of an Application?

Beginner

Answer

Sync status reflects whether live matches Git: Synced (live equals desired), OutOfSync (differences exist), and Unknown (comparison couldn't be made, e.g., repo unreachable). It's separate from health status, which reflects whether resources are actually working.
Real-world example After editing a manifest in Git, the app shows OutOfSync until the next sync makes it Synced again.

Common follow-ups: How does sync status differ from health? | What causes Unknown status?

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All 29 Sync & Health questions