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docs: clarify instance-local revalidation behavior in multi-instance … #92403

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docs: clarify instance-local revalidation behavior in multi-instance …
Akash504-ai Apr 6, 2026
952eab8
docs: simplify note to avoid duplication in multi-instance section
Akash504-ai Apr 7, 2026
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2 changes: 2 additions & 0 deletions docs/01-app/02-guides/how-revalidation-works.mdx
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Expand Up @@ -54,6 +54,8 @@ In the [cache handler API](/docs/app/api-reference/config/next-config-js/cacheHa

## Multi-Instance Considerations

> **Note:** Revalidation is instance-local by default.
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@icyJoseph icyJoseph Apr 7, 2026

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And once again, is this not the very same thing said in line 59? What is the problem you are trying to solve here.


When running multiple Next.js instances behind a load balancer, revalidation events are local by default. Calling `revalidateTag()` on instance A only invalidates the cache on that instance. Other instances continue serving the stale content until they learn about the invalidation.

The cache handler API provides two hooks for distributed coordination:
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