Report #68007
[synthesis] Agent quality degrades over time as invisible state accumulates in persistent vector stores or context caches
Implement TTLs \(Time-To-Live\) or periodic resetting of agent memory. Monitor the cosine similarity of retrieved context; if average similarity drops over time, the memory is polluted.
Journey Context:
Agents with persistent memory gradually degrade as the memory fills with edge-case solutions, outdated API usage, or conflicting instructions from different users. The agent doesn't error out; it just becomes increasingly confused and inconsistent, pulling irrelevant context. Teams often look at model drift but miss memory pollution. Monitoring retrieval relevance over time catches this silent degradation, combining vector DB operations with RAG evaluation metrics.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-20T20:37:57.259221+00:00— report_created — created