Three proposals addressing the 2026-02-25 trace pipeline OOM crash (114K CIDs):
1. trace-events-memory-triage: fetchmany iterator (read_sql_df_slow_iter),
admission control (50K CID limit for non-MSD), cache skip for large queries,
early memory release with gc.collect()
2. trace-async-job-queue: RQ-based async jobs for queries >20K CIDs,
separate worker process with isolated memory, frontend polling via
useTraceProgress composable, systemd service + deploy scripts
3. trace-streaming-response: chunked Redis storage (TRACE_STREAM_BATCH_SIZE=5000),
NDJSON stream endpoint (GET /api/trace/job/<id>/stream), frontend
ReadableStream consumer for progressive rendering, backward-compatible
with legacy single-key storage
All three proposals archived. 1101 tests pass, frontend builds clean.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Reject History:
- Compute dimension pareto (package/type/workflow/workcenter/equipment) from
cached DataFrame instead of re-querying Oracle per dimension change
- Propagate supplementary filters and trend date selection to dimension pareto
- Add staleness tracking to prevent race conditions on rapid dimension switches
- Add WORKFLOWNAME to detail and export outputs
- Fix button hover visibility with CSS specificity
MSD (製程不良追溯分析):
- Separate raw events caching from aggregation computation so changing
loss_reasons uses EventFetcher per-domain cache (fast) and recomputes
aggregation with current filters instead of returning stale cached results
- Exclude loss_reasons from MSD seed cache key since seed resolution does
not use it, avoiding unnecessary Oracle re-queries
- Add suspect context panel, analysis summary, upstream station/spec filters
- Add machine bar click drill-down and filtered attribution charts
Query Tool:
- Support batch container_ids in lot CSV export (history/materials/rejects/holds)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Replace the monolithic useQueryToolData composable and nested Vue component tree
with a modular architecture: useLotResolve, useLotLineage, useLotDetail, and
useEquipmentQuery. Introduce ECharts TreeChart (LR orthogonal layout) for lot
lineage visualization with multi-select support, subtree expansion, zoom/pan,
and serial number normalization. Add unified LineageEngine backend with split
descendant traversal and leaf serial number queries. Archive the query-tool-rewrite
openspec change and sync delta specs to main.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
