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What are hook deletion policies? How do you run a database migration safely before deploying a new version? What is a Skip hook and when is it used? How are hook resources named and prevented from clashing across syncs? What is a PreSync hook typically used for? What is a PostSync hook typically used for? Can hooks use sync waves to order among themselves? How do you notify an external system after a successful deployment using hooks? How do you seed initial data on first deployment only? How do hooks differ from plain resources with sync waves, and when do you choose each?
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ArgoCD › Sync Waves & Hooks

How long does ArgoCD wait between sync waves?

Intermediate

Answer

After applying a wave, ArgoCD waits for those resources to become Healthy before starting the next wave, subject to timeouts. There's also a short delay (configurable) between waves. If a wave's resources never become Healthy, later waves won't proceed and the sync stalls.
Real-world example The next wave doesn't start until the database in the current wave reports Healthy.

Common follow-ups: What if a wave never becomes Healthy? | Is the inter-wave delay configurable?

Sync & Health Applications Sync Waves & Hooks
All 29 Sync Waves & Hooks questions