gendesign/backend/app
Light1YT 8074cb49ef
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perf(objective_lots): inline-pushdown competitors._SOLD_COUNT_SQL + covering physflat index (#1953)
Прод EXPLAIN-охота (follow-up эпика #1953):

#1 competitors._SOLD_COUNT_SQL — фикс регрессии #1964. JOIN
v_objective_lots_latest материализовал DISTINCT ON по всей 1.76M-таблице
ДО фильтра маппинга (qual не проталкивается ниже view-DISTINCT ON) →
Parallel Seq Scan + external sort (~213 MB temp). Переписан на
inline-pushdown (зеркало #1964 / market_metrics._STOCK_SQL): фильтр
objective_complex_mapping в CTE → DISTINCT ON по СЫРОЙ objective_lots,
JOIN ON project_name (objective_lots_project_idx). Прод: 7958 → 292 ms,
вывод побайтово идентичен (15/15 obj_id, 0 mismatch). COUNT(DISTINCT
objective_lot_id) сохранён (fan-out-safety).

#2/#6/#5 миграция 176 — покрывающий physflat-индекс. EKB-wide
_STOCK_SQL/_SALES_WINDOW_SQL full-seq-scan + external sort (~140 MB temp),
т.к. partial-индекс 173 не нёс проецируемых колонок. Новый
objective_lots_physflat_covering_idx = тот же ключ + INCLUDE(rooms_int,
area_pd, sales_start_date, is_sold, contract_date, status, class) +
WHERE premise_kind='квартира'; старый _latest_idx дропнут (полностью
замещён). Прод DRY-RUN: Index Only Scan + Unique, без external sort,
5177 → 1595 ms; индекс 252 MB. ANALYZE objective_lots в конце tx.

Деплой вне недельного окна objective-scrape (кратковременный SHARE-lock
при drop+create ~252 MB индекса на 1.75M строк).
2026-06-28 18:45:47 +05:00
..
api perf(objective): request-path consumers dedup inline, not via whole-table view (#1964) 2026-06-28 05:00:47 +05:00
core fix(scrapers): разблокировать domrf_kn flats — изоляция flats от poison-extras + throttle (#1945) (#2050) 2026-06-28 13:03:43 +00:00
models merge: resolve conflicts with main (#1660) into week-review-finish 2026-06-17 20:21:06 +03:00
observability feat(backend): sentry-sdk init для FastAPI + Celery (#204 backend) (#207) 2026-05-16 15:09:16 +00:00
schemas feat(concept): фронт-пикер типовых домов (#1965 Stage 3b) 2026-06-28 02:49:44 +05:00
scrapers fix(week-review): backend-аудит v2 — 82 фиксов (#1660) 2026-06-17 17:13:38 +00:00
services perf(objective_lots): inline-pushdown competitors._SOLD_COUNT_SQL + covering physflat index (#1953) 2026-06-28 18:45:47 +05:00
templates fix(site-finder): 5 дефектов из боевого фидбека analyze (#1736 #1737 #1738 #1739 #1740) 2026-06-18 11:47:21 +05:00
workers fix(scrapers): разблокировать domrf_kn flats — изоляция flats от poison-extras + throttle (#1945) (#2050) 2026-06-28 13:03:43 +00:00
__init__.py init 2026-04-25 13:45:19 +03:00
main.py fix(backend): emit app.* INFO logs to stdout on the API process (#1926) 2026-06-27 07:43:49 +05:00