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gendesign/tradein-mvp/backend/app/tasks
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fix(tradein/avito): hard-timeout on detail-backfill fetch — prevent zombie-hang (#1950) 
Prod run 423 завис на 7.7ч (healthy ~2.4ч) → reaped как zombie → detail-backlog
не уменьшился (21456 листингов ждут detail, 29.3% enriched).

Корень: fetch_detail(...) в loop'е без hard-timeout. Один зависший fetch
(camoufox/browser hang или curl-stall) блокировал loop навсегда → budget-guard
(раз в итерацию) не срабатывал → heartbeat (раз в 25 attempts) не обновлялся
→ run zombie. Вторичный hang-вектор: _rotate_ip() на блок — тоже без timeout.

Fix:
- asyncio.wait_for(fetch_detail, timeout=avito_detail_fetch_timeout_s=90s):
  зависший fetch отменяется → TimeoutError → листинг failed, loop идёт дальше.
  TimeoutError ловится ДО общего Exception (TimeoutError ⊂ OSError ⊂ Exception),
  порядок: AvitoBlocked/RateLimited → TimeoutError → Exception.
- bound rotate: asyncio.wait_for(_rotate_ip, timeout=settle+30s) + try/except —
  зависший changeip не роняет run.
- config: avito_detail_fetch_timeout_s (ENV AVITO_DETAIL_FETCH_TIMEOUT_S).
- admin: POST /scrape/avito-detail-backfill (batch_size, budget_sec) — on-demand
  прогон/верификация (основной schedule window-gated 09-12 UTC).

Восстанавливает throughput detail-очереди (точные coords #1967 + house_type/kitchen).
2026-06-27 23:19:26 +03:00
..
__init__.py feat(tradein): search matview + indexes (Phase 3.1) (#469) 2026-05-23 14:01:18 +00:00
asking_to_sold_ratio.py fix(tradein/estimator): remove dead tier-aware-ratio path — truncation artifact + footgun (#2002) 2026-06-27 17:34:54 +00:00
avito_detail_backfill.py fix(tradein/avito): hard-timeout on detail-backfill fetch — prevent zombie-hang (#1950) 2026-06-27 23:19:26 +03:00
backfill_listings_coords_geoportal.py feat(tradein): бэкфилл координат листингов из ekb_geoportal_buildings (street+house match) 2026-06-20 17:08:46 +03:00
cadastral_geo_match.py fix(cadastral): single-statement match UPDATE — OFFSET chunk skipped rows 2026-06-18 10:28:19 +03:00
cian_history_backfill.py feat(browser): per-source proxy pool behind FEATURE_BROWSER_POOL_ENABLED (Phase 1) 2026-06-18 09:01:50 +03:00
deactivate_stale_avito.py feat(scrapers): segment-aware generic deactivate_stale for yandex/cian (#1558) 2026-06-16 16:09:19 +00:00
ekb_geoportal_ingest.py feat(tradein): EKB geoportal building ingest + geocoder tier (complete city buildings) 2026-06-19 17:51:07 +03:00
geocode_missing.py fix(geocode): set geocode_tried_at on successful geocode UPDATE 2026-06-16 10:07:51 +03:00
listing_source_snapshot.py feat(tradein): per-source listing price history — schema + daily snapshot (#570) (#646) 2026-05-29 12:18:04 +00:00
newbuilding_enrich_backfill.py feat(tradein-scheduler): nightly newbuilding-enrichment schedule (#973) 2026-06-13 16:24:03 +05:00
refresh_search_matview.py feat(tradein): premium_houses MV + premium_building flag (#2002) 2026-06-27 16:40:39 +00:00
rosreestr_quarter_poll.py feat(tradein): scheduled monthly Rosreestr new-quarter poll → ingest alert (#888) (#894) 2026-05-31 13:13:55 +00:00
sber_index_pull.py feat(tradein): СберИндекс monthly city-level price index pull (#887, data-layer) (#890) 2026-05-31 12:44:56 +00:00
yandex_address_backfill.py feat(tradein): schedule yandex address backfill task (#855) (#866) 2026-05-31 07:31:10 +00:00
yandex_detail_backfill.py fix(tradein): review minors — scheduler comment + save-error log label 2026-06-16 14:14:07 +03:00
yandex_newbuilding_sweep.py fix(tradein): yandex sweep — guard ext_id=NULL перед fetch_jk + cleanup httpx (#974 review M1/M3) 2026-06-15 18:41:08 +03:00