Back to full roadmap
topicadvanced
Memory Compression & Forgetting
As memory grows, cost grows — periodic compression + intentional forgetting required.
2 hours1 prereqs
Infinite memory ≠ good memory. Issues:
- Vector DB grows → retrieval slows
- Stale/irrelevant memories add noise
- Privacy: right to be forgotten (KVKK/GDPR)
Strategies:
- Time-based decay: archive memories older than 90 days
- Importance scoring: rate each memory, purge low-score
- Consolidation: merge similar memories (10 episodes → 1 generalized lesson)
- Forgetting curve: frequently accessed memories strengthen, untouched ones fade
Use LLM-as-judge for periodic memory audit — "Is this memory still valuable?"