Stale Span Look‑ups Persist After Storage Updates in Jaeger 2.42
In Jaeger 2.42, the in‑memory Caffeine cache accelerates span look‑ups but does not automatically expire entries when the backing storage record changes. The default time‑to‑live for cached entries is five minutes, there is no public API to invalidate a specific span, and the LRU eviction policy may retain outdated spans for extended periods under heavy load