Built‑in In‑Memory Cache vs. Spring Cache for Thymeleaf Fragment Caching: Which Is Better for Stale Data Prevention?
Goal To determine the most reliable strategy for keeping Thymeleaf fragment data current in a multi‑node application. Constraints The built‑in cache is single‑threaded and requires manual clearing; it offers no TTL or automatic invalidation. Spring Cache, while configurable with Redis or Hazelcast, introduces extra wiring and potential latency. Uncertainty I
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