Living Document Notice
Staged 2026-09-28. Living revisions and interconnected notes live in the Bosun PKM Garden.
Dual-Track Clinical Telemetry and Parquet Storage Sinks
High-frequency biometric telemetry from wearable sensors generates massive time-series datasets that quickly bloat plain-text vault files. Pratique implements a dual-track architecture, pairing human-readable Markdown clinical notes with partitioned columnar Parquet sinks.
Telemetry Invariants
- Clean Frontmatter Summaries: Markdown notes store qualitative clinical observations, diagnostic summaries, and statistical rollups (resting heart rate, HRV RMSSD).
- Columnar Partitioning: High-frequency raw sensor streams serialize into partitioned Parquet files (
telemetry/pratique/) for lightning-fast analytical queries. - Local In-Process Analysis: Analytical queries run locally via DuckDB without external cloud health API dependencies.
Dual-track telemetry preserves long-term note readability while maintaining full access to raw high-resolution sensor data.
- Directus Target: pratique-blog
- Garden Source Reference: MOC - Pratique Health Engine, MOC - Fleet Operations, LOG-1001 - Append-Only Temporal Logs