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Graph/cache-revalidation-scope-mismatch

Pattern

Cache Revalidation Scope Mismatch

cache-revalidation-scope-mismatch

Cache invalidation or revalidation fires at the wrong granularity—ID-specific tags, route params, or query-string changes don’t trigger loader/query refreshes, or invalidate too broadly—causing stale UI or redundant refetch loops after mutations.

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Updated5/30/2026

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30 linked nodes

the UI doesn’t update consistently, sometimes the count lags behind — when using useTransition. Tension: especially after fast re-renders or route changes. Outcome: Zustand state and Server Actions transitions aren’t syncing properly in React’s concurrent rendering mode.

Query callers must remember to destructure and call refetch manually after a mutation

If I try to refetch/invalidate I get the RangeError message. — On the first render, the prefetched data comes correctly (as shown in the react-query tools). Tension: So it happens with all the other useFetch I'm using for brevity. Outcome: I have tried to make the fetchFilters a server action, but it will complain that the response is not of a proper format data.

the query does not invalidate after a successful transaction. Tension: unless I manually invalidate it using the React Query DevTools or leave Chrome and come back. Outcome: which then triggers the invalidation (update).

TanStack Query cache is not being leveraged for Firestore data fetched manually

tRPC invalidate() on an inactive query does not refetch matching cached entries from another route

GET API responses appeared stale on Vercel: after adding new data and refreshing, the page still showed old results and new entries didn’t appear immediately. Adding `cache: 'no-store'` to the API request fixed the issue at the time.

In a Next.js static build using `generateStaticParams`, an expensive async operation (e.g., Firestore fetch) wrapped with React `cache` is executed multiple times per `id` during `npm run build`. The expected behavior is that it runs exactly once per `id` across all page builds, including where it’s called for metadata.

the cache doesn't work across processes — workers might be pre-forked. Tension: is using lru caching doing what I am expecting, that is - will it only initialize sentry once even though i attempt to do it multiple times? Outcome: provided it's called within the same process.

Runs failed with authentication_error: [REDACTED] — A local agent runtime had stale model refs under a deprecated provider id. Tension: the deprecated provider was configured like an Anthropic Messages API provider, so a subscription/CLI auth marker was sent as an API-key header. Outcome: fallback behavior masked the real config problem.

I've noticed I've several caches that maybe don't need to be created. — I'm using the cache action in GitHub Actions workflows. Tension: even if it restores always the same cache, no matter if the dependencies are changed, it should still work fine. Outcome: it mostly depends on how different and big these caches are.

unstable_cache doesn't really cache anything

In RTK Query, after performing a mutation (e.g., login), the developer cannot easily select/read the data that the mutation stored in the cache from another component/hook instance.

Redux-Toolkit Query polling performs the initial fetch and displays data, but once the polling interval elapses, no additional network requests are made and the UI does not update. Manual refetch works correctly.

When following the RTK Query example for mutations without React hooks, it’s unclear what query key/argument should be passed to `api.util.updateQueryData` to optimistically update the cache for the last `getUsers` query. The snippet appears inconsistent about using `id` vs `count`.

The second click on the RTK Query lazy mutation/query trigger does not update the `isLoading` state; `isLoading` stays false on subsequent calls.

When multiple counter buttons in the same cart component trigger RTK Query mutations, the loading state becomes shared, causing spinners to appear on all counters when only one item is being updated.

The reducer state is not updating correctly and subsequent renders fail because the counter value becomes invalid (e.g., NaN) instead of changing from its initial value.

When navigating from a users list (getUsers query) to a single user page (getSingleUser query), Redux Toolkit refetches the user data instead of reusing the data from the previous cached tags. This results in multiple cache entries/tags for the same user ID.

Software actually aliasing NS and S accesses for RAMs means you can end up with two non-coherent copies of the same data in the caches — secure and non-secure data to be distinguished in caches. Tension: which can desync because of the lack of coherency. Outcome: This is why secure world page tables can be set up with NS=1 pages.

React loaded via an import map works on first page load but fails after a reload, causing 'Uncaught TypeError: Failed to resolve module specifier "react"'. Network shows module scripts are not fetched, and Firefox is also broken with little/no usable error.

React Router navigation/refresh triggers a 'change in order of Hooks' error in Account.jsx. This happens because the component sometimes returns early before calling hooks.

Browser keeps serving a previous deployed version until users hard refresh

The session identifier (req.sessionID) changed on every subsequent HTTP request from the React client to the Express server, preventing consistent session persistence.

Using `unstable_cache` in a Next.js server component doesn’t cache results during local development; the fetch function runs and logs on every request, adding ~1s latency despite `revalidate` being set to 10 seconds.

I would also like to add observability using a micrometer to the cache. — using SpringBoot, Spring cache, and Caffeine. Tension: Being able to see cache miss. cache hit, is a must. Outcome: I tried to write the following code:.

retrieval scoring omitted recency decay, normalized momentum, live-state retrieval bias, and multiplicative tier boost — A Phase 3 memory subsystem review found deviations from the authoritative memory spec. Tension: short-term memories were still eligible for episodic retrieval; the memory daemon did not reconnect after LISTEN connection errors; ILIKE patterns used unescaped user text; extractor errors could disappear from fire-and-forget timeouts; and memory migrations lacked partitioning/seed data details. Outcome: Read the corrective spec and compared it against the current TypeScript memory implementation, migrations, and tests.

throws "Cookies can only be modified in a Server Action or Route Handler" — called from Next.js 15 Server Components (pages, layouts). Tension: The error appears intermittently — only when the session needs refreshing (controlled by `updateAge` config). Outcome: With `updateAge: 300` (5 minutes), it crashes every ~5 minutes for active users.

Implementing a validation suite for an anonymization-pipeline backfill across "Cohort-D" tables — system-rendered / agent-internal: messages, message_audits, message_requests, scoped_messages, notifications, bug_reports, contact_submissions, chronicle_entries/crystals/lessons. Tension: Spec required 9 distinct cross-cohort invariants in a single validate.ts script, each with positive AND negative test coverage, runbook STOP criteria matching an existing A1 runbook shape, and stripping legacy KMS column-name references.

Dev hot-reload silently stops working — Next.js (App Router) and a WebSocket server in the same Node process. Outcome: In production it doesn't matter because there's no HMR, but the dev experience is broken.

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