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Author SHA1 Message Date
root
84407eeb51 Stress test suite: 9/9 passed — architecture validated 
Tests:
1. Concurrent (10 queries): avg 48ms, max 50ms, no contention
2. Cross-reference (1.3M rows): 130ms, 3 JOINs + anti-join
3. Restart recovery: 12 datasets, 100K rows identical after restart
4. Pagination: 100K rows in 1000 pages, random page fetch works
5. Sustained: 70 QPS over 100 queries, 0 errors
6. Journal: write, flush, read-back correct
7. Tool registry: 6 tools execute correctly with audit
8. Cache: hot/cold verified
9. MySQL comparison: schema-on-read, vector+SQL, portable backup, PII auto-detect

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 22:13:27 -05:00
root
037555802e Systemd services: gateway, sidecar, UI survive reboots 
- lakehouse.service: release gateway on :3100, auto-restart
- lakehouse-sidecar.service: Python FastAPI on :3200, auto-restart
- lakehouse-ui.service: WASM file server on :3300, auto-restart
- All enabled at boot (multi-user.target)
- scripts/serve_ui.py for systemd-compatible file serving

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 22:06:28 -05:00
root
eae51977ab Scale test: 2.47M rows + 10K vector index benchmarked 
Benchmarks on 128GB RAM server:
- 100K candidate filter (skills+city+status): 257ms
- 1M timesheet aggregation (revenue by client): 942ms
- 800K call log cross-reference (cold leads): 642ms
- Triple JOIN recruiter performance: 487ms
- 500K email open rate aggregation: 259ms
- COUNT all 2.47M rows: 84ms
- 10K vector search (cosine similarity): ~450ms
- Embedding throughput: 49 chunks/sec via Ollama
- RAG correctly refuses to hallucinate when no match exists

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 08:31:37 -05:00
root
bb05c4412e Phase 6: Ingest pipeline — CSV, JSON, PDF, text file support 
- ingestd crate: detect file type → parse → schema detection → Parquet → catalog
- CSV: auto-detect column types (int, float, bool, string), handles $, %, commas
  Strips dollar signs from amounts, flexible row parsing, sanitized column names
- JSON: array or newline-delimited, nested object flattening (a.b.c → a_b_c)
- PDF: text extraction via lopdf, one row per page (source_file, page_number, text)
- Text/SMS: line-based ingestion with line numbers
- Dedup: SHA-256 content hash, re-ingest same file = no-op
- Gateway: POST /ingest/file multipart upload, 256MB body limit
- Schema detection per ADR-010: ambiguous types default to String
- 12 unit tests passing (CSV parsing, JSON flattening, type inference, dedup)
- Tested: messy CSV with missing data, dollar amounts, N/A values → queryable

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 08:07:31 -05:00
root
6740a017c7 PRD v2: production roadmap with ingest, vector search, hot cache phases 
- Phase 6: Ingest pipeline (CSV/JSON → schema detect → Parquet → catalog)
- Phase 7: Vector index + RAG (embed → HNSW → semantic search → LLM answer)
- Phase 8: Hot cache + incremental updates (MemTable, delta files, merge-on-read)
- ADR-008 through ADR-011: embeddings as Parquet, delta files not Delta Lake,
  schema defaults to string, not a CRM replacement
- Staffing company reference dataset (286K rows, 7 tables)
- Honest risk assessment: vector search at scale and incremental updates are hard

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 07:54:24 -05:00