Technical notebook
Learning in public,
one system at a time.
Working notes, experiments, and explanations. Written to make the next investigation faster.
All notes · 4
AI SystemsStorage SystemsInfrastructure
Jun 18, 2026 KV Cache and Agent Memory: Drawing the Boundary Between Facts and ExecutionWhy KV cache is better treated as a model-execution-specific materialized view rather than an Agent's factual memory. AI Systems Jun 10, 2026 NFS-Ganesha Cache Hit Rate: Define the Metric Before Sampling ItUnderstanding cache hit rate through request paths without collapsing different cache layers into one number. Storage Systems Jun 05, 2026 A Static Delivery Path with Cloudflare, Azure, and NginxA personal-site deployment path designed to be simple, verifiable, and reversible. Infrastructure May 26, 2026 Ceph Architecture: Understanding Decentralization Through Object PlacementA study of the responsibility boundaries among RADOS, CRUSH, OSDs, and upper-layer interfaces. Storage Systems