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[AZ-808] [AZ-809] [AZ-810] [AZ-811] [AZ-812] Cycle 8 perf run
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8/8 scenarios PASS within threshold. Cycle-8 strict-validation
overhead is below percentile resolution on every measured
endpoint.

PT-06 (route creation) required one in-cycle perf-script fix:
add requestMaps=false + createTilesZip=false to the body to
satisfy AZ-809's no-defaulting rule. The script had already
been updated for AZ-812's wire rename during cycle 8 but missed
AZ-809's newly required fields. Production code is correct; only
the perf probe was stale.

Report: _docs/06_metrics/perf_2026-05-23_cycle8.md. Trend vs
cycle 7 is flat within noise band on every scenario.

Known harness quirks (pre-existing, not cycle-8 regressions)
surfaced and documented for cleanup:
- PT-07 cross-run cache pollution (hard-coded base coords)
- PT-01 "cold" misnomer (tile cached on disk since cycle 5)
- PT-03 cached-by-PT-02 side effect (cycle-7 note carried forward)

Auto-chains to Step 16 (Deploy).

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Oleksandr Bezdieniezhnykh
2026-05-23 16:10:12 +03:00
parent 8fca6e0209
commit 32bc5c1e48
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_docs/06_metrics/perf_2026-05-23_cycle8.md
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# Perf Run — Cycle 8 (AZ-808 + AZ-809 + AZ-810 + AZ-811 + AZ-812)
**Date**: 2026-05-23T12:50Z (first run) + 2026-05-23T12:53Z (re-run after PT-06 script fix)
**Run label**: cycle8 — full default-parameter run after the cycle-8 strict-validation sweep (AZ-808 region POST + AZ-809 route POST + AZ-810 UAV upload metadata + AZ-811 GET tile lat/lon + AZ-812 region OSM rename) and the in-cycle F-AZ809-1 polygon-cap follow-up (commit `8fca6e0`).
**Trigger**: autodev existing-code Step 15 (Performance Test gate). Cycle 8 goal: confirm that adding FluentValidation + `JsonUnmappedMemberHandling.Disallow` to four endpoints — and the new 50-polygon cap on `POST /api/satellite/route` — introduced no measurable regression on existing perf scenarios.
**Runner**: `scripts/run-performance-tests.sh` (default params: `PERF_REPEAT_COUNT=20`, `PERF_UAV_BATCH_SIZE=10`). Two runs were needed; see "PT-06 script fix" below.
**System under test**: `docker compose up -d --build` against `mcr.microsoft.com/dotnet/aspnet:10.0`; api healthy on `https://localhost:18980` (TLS+ALPN, dev cert `./certs/api.crt` trusted via `--cacert`). Postgres on `localhost:5433`. Single docker-compose stack lifecycle across both runs (no restart between them).
**Build**: `SatelliteProvider.IntegrationTests` Release built inside the SDK; 0 errors / 15 warnings (carried-over NU1902 IdentityModel — already tracked as D-AZ795-1 / Low / Hardening — plus CA2227 setter-on-collection — already noted, design choice for DTO mutability).
**JWT**: minted by `SatelliteProvider.IntegrationTests --mint-only` (canonical `JwtTokenFactory` surface per AZ-491); 4 h lifetime, 341 bytes.
## Results
| # | Scenario | Verdict | Observed | Threshold | Source of measurement | Source of threshold |
|---|----------|---------|----------|-----------|-----------------------|---------------------|
| PT-01 | Tile download (cold) | **PASS** | 885 ms | ≤ 30000 ms | run 1 | `_docs/02_document/tests/performance-tests.md` |
| PT-02 | Cached tile retrieval | **PASS** | 244 ms | ≤ 500 ms | run 1 | `_docs/02_document/tests/performance-tests.md` |
| PT-03 | Region 200 m / z18 | **PASS** | 99 ms | ≤ 60000 ms | run 1 | `_docs/02_document/tests/performance-tests.md` |
| PT-04 | Region 500 m / z18 + stitch | **PASS** | 2128 ms | ≤ 120000 ms | run 1 | `_docs/02_document/tests/performance-tests.md` |
| PT-05 | 5 concurrent regions | **PASS** | 2663 ms | ≤ 300000 ms | run 1 | `_docs/02_document/tests/performance-tests.md` |
| PT-06 | Route creation (2 points) | **PASS** (after fix) | 83 ms | ≤ 5000 ms | run 2 (post-script-fix; see below) | `_docs/02_document/tests/performance-tests.md` |
| PT-07 | Region request distribution (N=20, cold + warm) | **PASS** | cold p50=2113 ms, p95=2274 ms · warm p50=52 ms, p95=108 ms | warm p95 < cold p95 (delta 2166 ms) | run 1 — only run with a true cold cache for the PT-07 coord band; see "Known harness quirks" below | AZ-484 / AZ-492 |
| PT-08 | UAV batch upload (batch=10, N=20) | **PASS** | batch p50=106 ms, p95=379 ms; per-item proxy p95=37 ms; accepted=200, rejected=0, failed=0 | batch p95 ≤ 2000 ms (AZ-488) | run 1 | `_docs/02_document/tests/performance-tests.md` |
**Raw verdict: 8 Pass · 0 Warn · 0 Fail · 0 Unverified** (after the PT-06 script-fix re-run).
## PT-06 script fix (AZ-809 contract-sync follow-up)
Run 1 reported `PT-06: HTTP 400 (expected 200)`. Root cause: the perf script's `POST /api/satellite/route` body omitted `requestMaps` and `createTilesZip`. AZ-809 (cycle 8) made both fields required — no defaulting — under FluentValidation's `RuleFor(...).NotNull()` chain (see `BT-29` rule 10 in `_docs/02_document/tests/blackbox-tests.md` and `route-creation.md` v1.0.1 Inv-10 / Rule 10). The perf script had been updated for AZ-812's lat/lon wire rename during cycle 8 but missed AZ-809's newly required fields — a contract-sync miss, not a production regression.
Fix: one line in `scripts/run-performance-tests.sh` PT-06 body — added `"requestMaps":false,"createTilesZip":false`. Re-run confirmed `PT-06: 83 ms` (well under the 5000 ms threshold, comparable to cycle-7's 161 ms). Both fields are `false` so the rule-12 cross-field (`createTilesZip=true requires requestMaps=true`) is not exercised — the scenario's intent is route-creation latency, not the cross-field gate.
## AZ-808 + AZ-809 + AZ-810 + AZ-811 + AZ-812 NFR verification
Cycle 8 added per-endpoint strict validation (FluentValidation + `JsonUnmappedMemberHandling.Disallow`) to four endpoints. The directly relevant scenarios are PT-03 / PT-04 / PT-05 (region POST — exercises AZ-808 validator on every accept), PT-06 (route POST — exercises AZ-809 validator), PT-07 (region POST distribution — exercises AZ-808 validator 40 times), and PT-08 (UAV upload — exercises AZ-810 validator 200 times via the 20×10 batch). PT-01 / PT-02 exercise AZ-811 (GET tile lat/lon) on every call.
**Validator cost**: invisible at the percentile resolutions reported. Each cycle-8 validator iterates O(N) bounds checks on a small input (typical N ≤ 20 for routes / regions / UAV batches), each check is constant-time, and the FluentValidation rule cache amortises the rule-tree across requests. The measured p95 deltas vs cycle 7 are all within noise band (see "Trend vs cycle 7" below).
**F-AZ809-1 polygon-cap fix (commit `8fca6e0`)**: the new `MaxPolygons = 50` check is a single `Count <= 50` comparison on the chained `RuleFor(...).Must(...)`; it runs in O(1) and is invisible at the PT-06 resolution (83 ms). No new perf scenario was added for the cap because the cap's intent is allocation-bounding under adversarial load, not steady-state latency — that load profile would belong in a separate adversarial/abuse scenario, deferred (see "Follow-ups").
**Auth-before-validation ordering**: confirmed in `Program.cs` (`UseAuthentication()` / `UseAuthorization()` run before any `WithValidation()` endpoint filter and before `UavUploadValidationFilter`). PT-06 / PT-07 / PT-08 calls carry the Bearer token; an unauthenticated probe would 401 before any validator runs, so the validator cost is bounded by authenticated traffic only.
## Trend comparison vs cycle 7
| Scenario | Cycle 7 | Cycle 8 | Δ | Cause |
|----------|---------|---------|---|-------|
| PT-01 cold | 998 ms | 885 ms | -113 ms | noise band (Google Maps DNS / cold-network variance) |
| PT-02 cached | 269 ms | 244 ms | -25 ms | noise |
| PT-03 region 200 m | 139 ms | 99 ms | -40 ms | noise (both runs warm-cache hits on the PT-02 / PT-03 shared coord) |
| PT-04 region 500 m + stitch | 2110 ms | 2128 ms | +18 ms | noise |
| PT-05 5 concurrent | 3145 ms | 2663 ms | -482 ms | noise band (queue scheduler variance under 5-way concurrency) |
| PT-06 route create | 161 ms | 83 ms | -78 ms | noise band (TLS connection state); post-fix value |
| PT-07 cold p95 / warm p95 | 2608 ms / 76 ms | 2274 ms / 108 ms | cold -334 ms / warm +32 ms | warm uptick is noise (≈40 % of the cycle-7 warm-p95 absolute number — both within sub-200 ms noise band on dev hardware); cold improved as the network state stabilised. Delta cold→warm remains > 2000 ms — same order of magnitude as cycle 7 (2532 ms). |
| PT-08 batch p95 | 284 ms | 379 ms | +95 ms | noise band (single-client p95 over 20 batches on shared dev hardware; the cycle 7 number was on the low end of the historical distribution — cycle 5 measured 350 ms, cycle 6 measured 544 ms, cycle 8 sits in the middle of that band). |
**Zero scenarios show a meaningful regression attributable to cycle 8.** All deltas are within the historical noise band for dev hardware (PT-08 has the widest historical band: 284–544 ms across cycles 5/6/7/8).
## Known harness quirks (pre-existing — not cycle-8 regressions)
These surfaced during this run but are NOT caused by cycle 8. Each is documented here for trend-tracking visibility; remediation is a perf-harness-cleanup track, not a cycle-8 deliverable.
- **PT-07 cross-run cache pollution**: `PT07_BASE_LAT` / `PT07_BASE_LON` are hard-coded constants (47.471747, 37.657063) with deterministic per-iteration offsets. Back-to-back perf runs against the same docker-compose stack lifecycle reuse the same coord band, so the second run's "cold pass" is actually a warm-cache hit (p95 dropped from 2274 ms in run 1 to 70 ms in run 2; warm p95 also 70 ms; the script's strict `<` check then fails because they're equal). Cycle-7's report (§ "Trend comparison") implicitly noted the same family of issue for PT-03. Fix candidate: parameterise the base coord by a per-run nonce or `PERF_RUN_LABEL` env so each cycle's PT-07 starts cold.
- **PT-01 "cold" misnomer**: `PT01_LAT` / `PT01_LON` (47.461347, 37.646663) are hard-coded; the tile has been cached on the host filesystem since cycle 5 (`./tiles/18/...`). The reported number is "first-request latency on a stack-lifecycle-fresh API process," not a true Google-Maps round-trip. The 885 ms is comfortably under the 30 s threshold because the threshold was set for the genuine cold case; the measurement nonetheless under-reports cold-path latency. Fix candidate same as PT-07: parameterise by nonce.
- **PT-03 cached-by-PT-02 side effect** (cycle 7's note): PT-03 reuses the (47.461747, 37.647063) coord PT-02 already populated; this is by design (PT-03's threshold is 60 s end-to-end, so even a fully cold region would pass, and the test's intent is region-orchestration overhead, not tile-fetch latency).
## Follow-ups (not blocking deploy)
1. **Perf-harness cleanup** — parameterise `PT07_BASE_*` and `PT01_*` coords by a run-nonce env (e.g., `PERF_RUN_LABEL`) so back-to-back runs and trend comparisons are not corrupted by cross-run cache state. Tracker entry candidate (sized ~2 SP).
2. **F-AZ809-1 cap adversarial scenario** — add an explicit PT-NN that posts 50 polygons (the cap) and 51 polygons (one over), measures validator latency and 400-response time. This converts the cap's intent (DoS-bound) into a measurable regression-gate. Deferred to cycle 9 (sized ~3 SP — adds one perf scenario + threshold + report row).
3. **PT-09 promotion** — `tile-inventory.md` already notes the option to promote `TileInventoryTests.PerformanceBudget_AC4` from full-suite to `scripts/run-performance-tests.sh § PT-09` if the budget tightens. Not needed at the cycle-8 budget level; track for cycle 10+.
## Verdict (Step 15)
**PASS** — 8/8 scenarios within threshold (after the trivial AZ-809 contract-sync fix to PT-06's body). Zero meaningful regressions attributable to cycle 8. Cycle-8 strict-validation overhead is below percentile resolution on every measured endpoint.
Cleared to auto-chain to Step 16 (Deploy).
_docs/_autodev_state.md
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## Current Step
flow: existing-code
step: 14
name: Security Audit
step: 15
name: Performance Test
status: completed
sub_step:
phase: 5
name: report-rendered
detail: "verdict: PASS_WITH_WARNINGS (1 Medium F-AZ809-1 + 2 new Lows + 3 carry-over Lows + 1 carry-over Medium D2-cy4 test-runtime only)"
detail: "verdict: PASS (8/8 scenarios). Required one in-cycle AZ-809 contract-sync fix to PT-06 body. Report: _docs/06_metrics/perf_2026-05-23_cycle8.md."
retry_count: 0
cycle: 8
tracker: jira
scripts/run-performance-tests.sh
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echo ""
echo "PT-06: Route Point Interpolation Speed (threshold: 5000ms)"
ROUTE_ID=$(uuidgen | tr '[:upper:]' '[:lower:]')
BODY="{\"id\":\"$ROUTE_ID\",\"name\":\"Perf Test\",\"regionSizeMeters\":300,\"zoomLevel\":18,\"points\":[{\"lat\":48.276067,\"lon\":37.384458},{\"lat\":48.270740,\"lon\":37.374029}]}"
BODY="{\"id\":\"$ROUTE_ID\",\"name\":\"Perf Test\",\"regionSizeMeters\":300,\"zoomLevel\":18,\"points\":[{\"lat\":48.276067,\"lon\":37.384458},{\"lat\":48.270740,\"lon\":37.374029}],\"requestMaps\":false,\"createTilesZip\":false}"
START=$(date +%s%N)
HTTP_CODE=$(curl "${CURL_OPTS[@]}" -s -o /dev/null -w "%{http_code}" -X POST -H "Content-Type: application/json" -H "$AUTH_HEADER" -d "$BODY" "$API_URL/api/satellite/route")