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architecture_cache_invalidation
makr-code edited this page Dec 21, 2025
·
1 revision
Stand: 5. Dezember 2025
Version: 1.0.0
Kategorie: Architecture
Ziel: Korrekte Freshness trotz Replikation/Rebalancing.
- WAL/Changefeed: PUT/DELETE → Entity-Invalidate(URN), ResultCache.InvalidatePlan(plan_hash betroffener Abfragen)
- Topology-Änderung:
cache_epochbump; veraltete Einträge validieren
- Jede Entity erhält
version(WAL-Index). Cache speichertversionund akzeptiert Hits nur, wenncached.version >= applied_versionauf Replica oder Lag < Schwellwert.
- 404-Ergebnisse mit kurzer TTL (1–5s) zur Entlastung von Hot-Misses
- Leader invalidiert authoritative; Replikas respektieren Lag-Grenzen
- Präfix-Invalidierung optional für Collections (z.B. Rebuilds)
- Namespace im Key → Tenant-Isolation
ThemisDB v1.3.4 | GitHub | Documentation | Discussions | License
Last synced: January 02, 2026 | Commit: 6add659
Version: 1.3.0 | Stand: Dezember 2025
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