checkpoint: pipeline + 27k/h baseline before sitemap discovery

Dockerfile

@@ -13,6 +13,10 @@ RUN pip install --no-cache-dir uv \
     && pip install --no-cache-dir -r /tmp/requirements.txt \
     && pip install --no-cache-dir playwright-stealth
 
+# Speed-up libs: orjson (fast JSON parse), brotli (HTTP br decompress).
+# Pinned outside uv.lock to avoid lock-regen churn.
+RUN pip install --no-cache-dir "orjson>=3.10.0" "brotli>=1.1.0"
+
 # Install both Chromium and Firefox. Chromium is the default engine in Docker
 # because it works more reliably with the current IAAI listing page.
 RUN python -m playwright install chromium firefox

_check.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+echo "== LOCK =="
+docker exec iaai-redis redis-cli get iaai:locks:sync_listing
+docker exec iaai-redis redis-cli ttl iaai:locks:sync_listing
+echo "== CHECKPOINT =="
+docker exec iaai-redis redis-cli get iaai:state:sync_listing_checkpoint
+docker exec iaai-redis redis-cli get iaai:state:sync_full_scan_done
+echo "== DB =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select count(*) as total, count(*) filter (where last_seen_at > now() - interval '3 minutes') as recent from cars;"
+echo "== WORKER TAIL =="
+docker logs iaai-worker --tail 25 2>&1 | tail -25

_check2.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+echo "=========================================="
+echo "== ТЕКУЩАЯ АКТИВНОСТЬ SYNC (последние логи) =="
+echo "=========================================="
+docker logs iaai-worker --tail 30 2>&1 | grep -E "Segment|HTTP-mode page|upserted|finished|ERROR" | tail -20
+echo ""
+echo "=========================================="
+echo "== DB: всего машин и апсерты за 5 минут =="
+echo "=========================================="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_5min=' || count(*) filter (where last_seen_at > now() - interval '5 minutes'), 'last_1min=' || count(*) filter (where last_seen_at > now() - interval '1 minute') from cars;"
+echo ""
+echo "=========================================="
+echo "== Макс timestamp (когда была последняя запись) =="
+echo "=========================================="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'max_last_seen=' || max(last_seen_at), 'now=' || now() from cars;"
+echo ""
+echo "=========================================="
+echo "== Топ марок в БД =="
+echo "=========================================="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select make, count(*) from cars group by make order by count(*) desc limit 10;"
+echo ""
+echo "=========================================="
+echo "== Очередь Celery =="
+echo "=========================================="
+docker exec iaai-redis redis-cli llen scraping
+echo "lock TTL: $(docker exec iaai-redis redis-cli ttl iaai:locks:sync_listing)s"

_check3.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+echo "== ERRORS/EXCEPTIONS за последние 5 минут worker =="
+docker logs iaai-worker --since 5m 2>&1 | grep -iE "error|traceback|exception|failed|warning" | grep -v "Segment.*done" | tail -20
+echo ""
+echo "== Последние события (batch/upsert/save) =="
+docker logs iaai-worker --tail 500 2>&1 | grep -iE "batch|upsert|save|Processing|finished|collected" | tail -15
+echo ""
+echo "== DB: cars schema =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -c "\d cars" 2>&1 | head -40
+echo ""
+echo "== DB: real counts =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_5min=' || count(*) filter (where last_seen_at > now() - interval '5 minutes') from cars;"
+echo ""
+echo "== Текущая активность sync (tail) =="
+docker logs iaai-worker --tail 5 2>&1

_check4.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+echo "== DB: счётчики =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_10min=' || count(*) filter (where last_seen_at > now() - interval '10 minutes'), 'last_2min=' || count(*) filter (where last_seen_at > now() - interval '2 minutes'), 'max_last_seen=' || max(last_seen_at)::text from cars;"
+echo ""
+echo "== Топ brand =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select brand, count(*) from cars group by brand order by count(*) desc limit 10;"
+echo ""
+echo "== Текущая фаза sync (tail) =="
+docker logs iaai-worker --tail 5 2>&1
+echo ""
+echo "== Последние upserted/batch =="
+docker logs iaai-worker --tail 500 2>&1 | grep -iE "upserted|Processing batch|Sync run.*finished|Segment.*done" | tail -10
+echo ""
+echo "== ERRORS свежие =="
+docker logs iaai-worker --since 10m 2>&1 | grep -iE "ERROR|Traceback|Exception" | tail -10

_db_now.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd /root/iaai_scraper_project
+
+echo "== DB now =="
+docker compose exec -T postgres psql -U iaai -d iaai_scraper -c "
+SELECT
+  count(*) AS total,
+  count(*) FILTER (WHERE last_seen_at > now() - interval '1 minute')  AS last_1min,
+  count(*) FILTER (WHERE last_seen_at > now() - interval '5 minutes') AS last_5min,
+  count(*) FILTER (WHERE last_seen_at > now() - interval '15 minutes') AS last_15min,
+  max(last_seen_at) AS max_ts,
+  now()             AS now_ts
+FROM cars;"
+
+echo
+echo "== last 10 upsert / segment-done events =="
+docker compose logs --tail=1000 worker 2>&1 | grep -E 'upserted=|Segment .* done|HTTP-mode batch' | tail -n 15
+
+echo
+echo "== last 5 page-progress =="
+docker compose logs --tail=200 worker 2>&1 | grep -E 'HTTP-mode page' | tail -n 5
+
+echo
+echo "== recent 500s (if any) =="
+docker compose logs --tail=500 worker 2>&1 | grep -E 'status=500|status=403' | tail -n 5 || true

_db_now2.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd /root/iaai_scraper_project
+
+echo "== DB =="
+docker compose exec -T postgres psql -U iaai -d iaai_scraper -c "
+SELECT
+  count(*) AS total,
+  count(*) FILTER (WHERE last_seen_at > now() - interval '1 minute')  AS l1,
+  count(*) FILTER (WHERE last_seen_at > now() - interval '5 minutes') AS l5,
+  count(*) FILTER (WHERE created_at   > now() - interval '15 minutes') AS created_15m,
+  max(last_seen_at) AS max_seen,
+  max(created_at)   AS max_created,
+  now() AS now_ts
+FROM cars;"
+
+echo
+echo "== last 50 lines of worker log (everything) =="
+docker compose logs --tail=50 worker 2>&1 | tail -n 50

_diag_vps.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+echo "=========================================="
+echo "== 1. PROXY/HTTP CONFIG в .env =="
+echo "=========================================="
+cd /root/iaai_scraper_project
+grep -iE "PROXY|HTTP_MODE|USER_AGENT|IAAI_BASE|IAAI_.*URL|BRIGHT" .env | grep -v "^#"
+echo ""
+echo "=========================================="
+echo "== 2. ВНЕШНИЙ IP VPS =="
+echo "=========================================="
+curl -s --max-time 10 https://api.ipify.org; echo ""
+echo ""
+echo "=========================================="
+echo "== 3. ПРЯМОЙ ЗАПРОС IAAI (без прокси) =="
+echo "=========================================="
+curl -s -o /dev/null -w "HTTP=%{http_code} time=%{time_total}s size=%{size_download}\n" --max-time 20 "https://www.iaai.com/"
+curl -s -o /tmp/iaai_root.html -w "HTTP=%{http_code} size=%{size_download}\n" --max-time 20 -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" "https://www.iaai.com/"
+echo "--- первые 400 байт ответа ---"
+head -c 400 /tmp/iaai_root.html; echo ""
+echo "--- признак Incapsula/bot-check ---"
+grep -oiE "incapsula|_Incapsula_|captcha|access denied|bot|cloudflare" /tmp/iaai_root.html | sort -u
+echo ""
+echo "=========================================="
+echo "== 4. POST /Search (как это делает парсер) =="
+echo "=========================================="
+curl -s -o /tmp/iaai_search.html -w "HTTP=%{http_code} size=%{size_download}\n" --max-time 20 \
+  -H "Content-Type: application/x-www-form-urlencoded" \
+  -H "Accept: application/json, text/html, */*" \
+  -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" \
+  -X POST "https://www.iaai.com/Search" \
+  --data "Make=TOYOTA&YearMin=1900&YearMax=2012&Page=1"
+head -c 400 /tmp/iaai_search.html; echo ""
+echo ""
+echo "=========================================="
+echo "== 5. PROXY env внутри worker-контейнера =="
+echo "=========================================="
+docker exec iaai-worker env | grep -iE "PROXY|IAAI|HTTP_" | sort
+echo ""
+echo "=========================================="
+echo "== 6. Последние ERROR-логи worker =="
+echo "=========================================="
+docker logs iaai-worker --tail 200 2>&1 | grep -iE "proxy|bright|incapsula|403|500|429|blocked" | tail -15

_dispatch_check.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd /root/iaai_scraper_project
+
+echo "== dispatch =="
+TID=$(docker compose exec -T worker python -c "from iaai_scraper.worker.tasks import sync_listing_task; print(sync_listing_task.delay().id)")
+echo "dispatched: $TID"
+
+echo "== wait 120s =="
+sleep 120
+
+echo
+echo "== DB =="
+docker compose exec -T postgres psql -U iaai -d iaai_scraper -c "SELECT count(*) AS total, count(*) FILTER (WHERE last_seen_at > now() - interval '5 minutes') AS last_5min, max(last_seen_at) AS max FROM cars;"
+
+echo
+echo "== upsert / batch / segment-done events (last 40) =="
+docker compose logs --tail=800 worker 2>&1 | grep -E 'HTTP-mode batch|upserted=|HTTP-mode listing done|Segment .* done|HTTP fast-path using proxy|Sync run .* finished' | tail -n 40
+
+echo
+echo "== page-progress tail =="
+docker compose logs --tail=400 worker 2>&1 | grep -E 'HTTP-mode page' | tail -n 15
+
+echo
+echo "== errors if any =="
+docker compose logs --tail=400 worker 2>&1 | grep -Ei 'error|exception|403|500|incapsula|pardon' | tail -n 15 || true

_enable_proxy.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd /root/iaai_scraper_project
+
+echo "== patch .env =="
+# удалить старые SOCKS5_*/IAAI_PROXY_* строки если есть
+sed -i '/^SOCKS5_PROXY_/d; /^IAAI_PROXY_/d' .env
+
+cat >> .env <<'EOF'
+
+# --- SOCKS5 US residential proxy (BulletProof) ---
+SOCKS5_PROXY_HOST=residential.bpproxy.at
+SOCKS5_PROXY_PORT=1002
+SOCKS5_PROXY_USER=bpuser-S7o3VlC0
+SOCKS5_PROXY_PASS=YKmRzvjvnnvyQdEUQ8hM_country-US_session-q3TGNZZO_lifetime-30
+EOF
+
+grep -E '^(SOCKS5_|IAAI_PROXY_)' .env
+
+echo "== restart worker =="
+docker compose stop worker
+docker compose up -d worker
+
+echo "== wait 8s for worker + bridge =="
+sleep 8
+
+echo "== verify proxy bridge + external IP =="
+docker compose exec -T worker sh -c 'curl -s --max-time 20 --proxy http://127.0.0.1:8899 https://api.ipify.org' || echo "proxy check FAILED"
+echo
+
+echo "== direct check (no proxy) =="
+docker compose exec -T worker sh -c 'curl -s --max-time 10 https://api.ipify.org' || true
+echo
+
+echo "== clear locks/state =="
+docker compose exec -T redis redis-cli DEL iaai:locks:sync_listing iaai:state:startup_sync_dispatched iaai:state:sync_listing_followup_pending
+
+echo "== dispatch fresh task =="
+TID=$(docker compose exec -T worker python -c "from iaai_scraper.worker.tasks import sync_listing; print(sync_listing.delay().id)")
+echo "dispatched: $TID"
+
+echo "== wait 90s =="
+sleep 90
+
+echo
+echo "== DB =="
+docker compose exec -T postgres psql -U iaai -d iaai_scraper -c "SELECT count(*) AS total, count(*) FILTER (WHERE last_seen_at > now() - interval '5 minutes') AS last_5min, max(last_seen_at) AS max FROM cars;"
+
+echo
+echo "== last 30 log lines (batch / upserted / HTTP-mode page) =="
+docker compose logs --tail=500 worker 2>&1 | grep -E 'HTTP-mode batch|upserted=|HTTP-mode listing done|Segment .* done|HTTP fast-path using proxy|proxy_bridge' | tail -n 30
+
+echo
+echo "== sample of recent pagination lines =="
+docker compose logs --tail=300 worker 2>&1 | grep -E 'HTTP-mode page' | tail -n 10

_kick.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e
+echo "== Cleaning stale Redis state =="
+docker exec iaai-redis redis-cli del iaai:locks:sync_listing iaai:state:startup_sync_dispatched iaai:state:sync_listing_followup_pending iaai:state:sync_listing_bootstrap_failure_streak
+echo "== Dispatching fresh sync_listing_task =="
+docker exec iaai-worker python -c "from iaai_scraper.worker.celery_app import celery_app; r=celery_app.send_task('iaai_scraper.worker.tasks.sync_listing_task', kwargs={'only_new': False}, queue='scraping'); print('dispatched:', r.id)"
+sleep 30
+echo "== Worker logs =="
+docker logs iaai-worker --tail 30 2>&1 | grep -E "Segment|sync_listing_task|progress|upserted|ERROR|clamp" | tail -20
+echo "== Lock TTL now =="
+docker exec iaai-redis redis-cli ttl iaai:locks:sync_listing
+echo "== DB recent =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select count(*) as total, count(*) filter (where last_seen_at > now() - interval '2 minutes') as recent from cars;"

_reduce50.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+cd /root/iaai_scraper_project
+echo "== update .env =="
+sed -i 's/^IAAI_MAX_PAGES_PER_RUN=.*/IAAI_MAX_PAGES_PER_RUN=50/' .env
+grep MAX_PAGES .env
+echo ""
+echo "== restart worker (wait for finish) =="
+docker compose stop worker
+docker compose up -d worker
+sleep 10
+echo ""
+echo "== clear lock =="
+docker exec iaai-redis redis-cli del iaai:locks:sync_listing iaai:state:startup_sync_dispatched iaai:state:sync_listing_followup_pending
+echo ""
+echo "== dispatch =="
+docker exec iaai-worker python -c "from iaai_scraper.worker.celery_app import celery_app; r=celery_app.send_task('iaai_scraper.worker.tasks.sync_listing_task', kwargs={'only_new': False}, queue='scraping'); print('dispatched:', r.id)"
+echo ""
+echo "== wait 90s =="
+sleep 90
+echo ""
+echo "== DB =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_5min=' || count(*) filter (where last_seen_at > now() - interval '5 minutes'), 'max=' || max(last_seen_at)::text from cars;"
+echo ""
+echo "== BATCH + UPSERT EVENTS =="
+docker logs iaai-worker --tail 5000 2>&1 | grep -E "HTTP-mode batch|HTTP-mode listing done|Segment.*done|upserted" | tail -20
+echo ""
+echo "== TAIL =="
+docker logs iaai-worker --tail 8

_rollback_limits.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+cd /root/iaai_scraper_project
+echo "== 1. Verify .env =="
+grep -E "MAX_PAGES|MAX_VEHICLES" .env
+echo ""
+echo "== 2. Restart worker + beat (не трогаем redis/postgres) =="
+docker compose restart worker beat
+sleep 5
+echo ""
+echo "== 3. Clear Redis lock =="
+docker exec iaai-redis redis-cli del iaai:locks:sync_listing iaai:state:startup_sync_dispatched iaai:state:sync_listing_followup_pending
+echo ""
+echo "== 4. Dispatch fresh task =="
+docker exec iaai-worker python -c "from iaai_scraper.worker.celery_app import celery_app; r=celery_app.send_task('iaai_scraper.worker.tasks.sync_listing_task', kwargs={'only_new': False}, queue='scraping'); print('dispatched:', r.id)"
+echo ""
+echo "== 5. Wait 45s, then check =="
+sleep 45
+echo ""
+echo "== LOGS =="
+docker logs iaai-worker --tail 250 2>&1 | grep -E "Segment|HTTP-mode page [0-9]+0:|HTTP-mode batch|HTTP-mode listing done|Sync run.*finished|upserted=" | tail -25
+echo ""
+echo "== DB =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_2min=' || count(*) filter (where last_seen_at > now() - interval '2 minutes'), 'max=' || max(last_seen_at)::text from cars;"

_wait_check.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+sleep 60
+echo "== DB =="
+docker exec iaai-postgres psql -U iaai -d iaai_scraper -t -c "select 'total=' || count(*), 'last_3min=' || count(*) filter (where last_seen_at > now() - interval '3 minutes'), 'max=' || max(last_seen_at)::text from cars;"
+echo ""
+echo "== BATCH + SEGMENT DONE EVENTS =="
+docker logs iaai-worker --tail 3000 2>&1 | grep -E "HTTP-mode batch|HTTP-mode listing done: [1-9]|Segment.*done.*upserted=[1-9]|Sync run.*finished: [1-9]" | tail -15
+echo ""
+echo "== последние 10 строк =="
+docker logs iaai-worker --tail 10

burst_test.ps1

@@ -0,0 +1,12 @@
+$ua="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36"
+$sw=[Diagnostics.Stopwatch]::StartNew()
+$results=@()
+1..15 | ForEach-Object {
+  $id = 45184893 + $_
+  $code = curl.exe -s -o NUL -A $ua -w "%{http_code}" "https://www.iaai.com/VehicleDetail/$id~US"
+  $results += [pscustomobject]@{Idx=$_; Id=$id; Code=$code}
+}
+$sw.Stop()
+$results | Format-Table -AutoSize | Out-String | Set-Content burst_results.txt
+("elapsed_total_s={0}" -f [math]::Round($sw.Elapsed.TotalSeconds,2)) | Add-Content burst_results.txt
+("avg_per_page_s={0}" -f [math]::Round($sw.Elapsed.TotalSeconds/15,2)) | Add-Content burst_results.txt

docker-compose.yml

@@ -5,13 +5,13 @@ x-app-env: &app-env
   CELERY_BROKER_URL: ${CELERY_BROKER_URL:-redis://redis:6379/0}
   CELERY_RESULT_BACKEND: ${CELERY_RESULT_BACKEND:-redis://redis:6379/0}
   IAAI_DATABASE_POOL_RECYCLE_SECONDS: ${IAAI_DATABASE_POOL_RECYCLE_SECONDS:-1800}
-  CELERY_TASK_SOFT_TIME_LIMIT: ${CELERY_TASK_SOFT_TIME_LIMIT:-3300}
-  CELERY_TASK_TIME_LIMIT: ${CELERY_TASK_TIME_LIMIT:-3600}
-  CELERY_BROKER_VISIBILITY_TIMEOUT: ${CELERY_BROKER_VISIBILITY_TIMEOUT:-7200}
+  CELERY_TASK_SOFT_TIME_LIMIT: ${CELERY_TASK_SOFT_TIME_LIMIT:-900}
+  CELERY_TASK_TIME_LIMIT: ${CELERY_TASK_TIME_LIMIT:-1200}
+  CELERY_BROKER_VISIBILITY_TIMEOUT: ${CELERY_BROKER_VISIBILITY_TIMEOUT:-2400}
   # 0 => без лимита (в коде интерпретируется как None).
   # После первичного полного прохода hourly-режим должен успевать за всеми новыми авто.
   CELERY_BEAT_SYNC_LIMIT: ${CELERY_BEAT_SYNC_LIMIT:-0}
-  CELERY_WORKER_MAX_TASKS_PER_CHILD: ${CELERY_WORKER_MAX_TASKS_PER_CHILD:-5}
+  CELERY_WORKER_MAX_TASKS_PER_CHILD: ${CELERY_WORKER_MAX_TASKS_PER_CHILD:-3}
   CELERY_BATCH_SIZE: ${CELERY_BATCH_SIZE:-200}
   IAAI_PARALLEL_TABS: ${IAAI_PARALLEL_TABS:-40}
   IAAI_BLOCK_RESOURCES: ${IAAI_BLOCK_RESOURCES:-true}
@@ -134,6 +134,8 @@ services:
     container_name: iaai-worker
     restart: unless-stopped
     init: true
+    mem_limit: ${IAAI_WORKER_MEM_LIMIT:-2g}
+    memswap_limit: ${IAAI_WORKER_MEM_LIMIT:-2g}
     depends_on:
       migrate:
         condition: service_completed_successfully
@@ -142,9 +144,9 @@ services:
     stop_grace_period: 60s
     command: >
       celery -A iaai_scraper.worker.celery_app worker
-      --loglevel=info --concurrency=${CELERY_WORKER_CONCURRENCY:-4} --pool=prefork
+      --loglevel=info --concurrency=${CELERY_WORKER_CONCURRENCY:-2} --pool=prefork
       --pidfile=/tmp/celery-worker.pid
-      -Q scraping --max-tasks-per-child=${CELERY_WORKER_MAX_TASKS_PER_CHILD:-5}
+      -Q scraping --max-tasks-per-child=${CELERY_WORKER_MAX_TASKS_PER_CHILD:-3}
     healthcheck:
       test: ["CMD-SHELL", "test -f /tmp/celery-worker.pid && kill -0 $(cat /tmp/celery-worker.pid)"]
       interval: 60s

iaai_scraper/core/utils.py

@@ -17,8 +17,7 @@ def first_non_empty(values: Iterable[Any]) -> Any | None:
     return None
 
 
-# Регулярные выражения для VIN, lot и price.
-VIN_RE = re.compile(r"\b([A-HJ-NPR-Z0-9]{17})\b", re.IGNORECASE)
+# Регулярные выражения для lot и price.
 LOT_RE = re.compile(r"\b(\d{7,10})\b")
 PRICE_RE = re.compile(r"\$\s?([\d,]+(?:\.\d{1,2})?)")
 

iaai_scraper/scraper.py

@@ -1,12 +1,13 @@
 import json
 import logging
 import os
+import random
 import re
 import signal
 import time
 import uuid
 import html as html_module
-from concurrent.futures import ThreadPoolExecutor, as_completed
+from concurrent.futures import Future, ThreadPoolExecutor, as_completed
 from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any, Callable
@@ -15,6 +16,13 @@ from urllib.request import Request, urlopen
 
 import urllib3
 
+try:
+    import orjson as _orjson  # ~3-5× быстрее stdlib json на парсинге
+    _HAS_ORJSON = True
+except ImportError:
+    _orjson = None
+    _HAS_ORJSON = False
+
 from playwright.sync_api import Error as PlaywrightError
 from playwright.sync_api import BrowserContext, Page, sync_playwright
 from playwright.sync_api import TimeoutError as PlaywrightTimeoutError
@@ -37,6 +45,69 @@ VEHICLE_ID_RE = re.compile(r"/VehicleDetail/(\d+)(?:~[A-Z]{2})?", re.IGNORECASE)
 HTML_TAG_RE = re.compile(r"<[^>]+>")
 SCRIPT_STYLE_RE = re.compile(r"<(script|style)[^>]*>.*?</\1>", re.IGNORECASE | re.DOTALL)
 
+# ── Anti-stall watchdog ──
+# Жёсткие верхние границы на per-page операции браузера. Если Playwright "тихо" завис
+# (частая реакция IAAI на затяжной скрапинг — page hangs без raise), SIGALRM вернёт
+# управление и существующая recover-логика (_reopen_listing_and_resume) стартует
+# новый context с нуля.
+_PAGE_COLLECT_TIMEOUT_S = 90
+_PAGE_NEXT_TIMEOUT_S = 60
+# Проактивная ротация контекста отключена: reactive-восстановление
+# (retry при пустой странице + _reopen_listing_and_resume) уже закрывает
+# anti-bot соскоки, а проактивная ротация требовала долистывать кликами
+# после reopen и конфликтовала с лимитом max_nav_pages в recovery-пути.
+# Включить можно переменной окружения IAAI_CONTEXT_ROTATE_EVERY_PAGES.
+_CONTEXT_ROTATE_EVERY_PAGES = int(os.environ.get("IAAI_CONTEXT_ROTATE_EVERY_PAGES", "0") or 0)
+
+
+class PageOperationTimeoutError(Exception):
+    """Browser page operation exceeded per-op watchdog timeout."""
+
+
+class _PageOpWatchdog:
+    """SIGALRM-based watchdog.
+
+    Работает только в главном потоке процесса (Celery prefork child — это ок).
+    В других контекстах — no-op.
+    """
+
+    def __init__(self, seconds: int, label: str) -> None:
+        self.seconds = max(1, int(seconds))
+        self.label = label
+        self._old_handler = None
+        self._active = False
+
+    def _handler(self, signum, frame):  # noqa: ARG002
+        raise PageOperationTimeoutError(
+            f"Page operation '{self.label}' exceeded {self.seconds}s watchdog"
+        )
+
+    def __enter__(self):
+        import threading as _threading
+        if _threading.current_thread() is not _threading.main_thread():
+            return self
+        if not hasattr(signal, "SIGALRM"):
+            return self
+        try:
+            self._old_handler = signal.signal(signal.SIGALRM, self._handler)
+            signal.alarm(self.seconds)
+            self._active = True
+        except (ValueError, OSError):
+            # signal можно выставлять только из main thread; в остальном пропускаем.
+            self._active = False
+        return self
+
+    def __exit__(self, exc_type, exc, tb):
+        if not self._active:
+            return False
+        try:
+            signal.alarm(0)
+            if self._old_handler is not None:
+                signal.signal(signal.SIGALRM, self._old_handler)
+        except (ValueError, OSError):
+            pass
+        return False
+
 
 class IAAIScraper:
 
@@ -120,13 +191,24 @@ class IAAIScraper:
         self.car_mapper = CarMapper()
         self.persistence = PersistenceService(self.settings)
         self._shutdown_requested = False
+        # HTTP pool: при parallel_tabs=24 и concurrency=4 пик ≈ 96 конкурентных сокетов;
+        # даём запас до 256, чтобы не упираться в PoolError под всплесками PX/retry.
+        # TCP_NODELAY выключает Nagle: для коротких HTTPS-запросов с keep-alive
+        # это снижает tail-latency на десятки ms.
+        import socket as _socket
+        _socket_options = [
+            (_socket.IPPROTO_TCP, _socket.TCP_NODELAY, 1),
+            (_socket.SOL_SOCKET, _socket.SO_KEEPALIVE, 1),
+        ]
         proxy_url = self.settings.proxy.server
         if proxy_url:
             _proxy_kwargs: dict = {
-                "num_pools": 4,
-                "maxsize": 64,
+                "num_pools": 8,
+                "maxsize": 256,
+                "block": False,
                 "retries": False,
-                "timeout": urllib3.Timeout(connect=5, read=10),
+                "timeout": urllib3.Timeout(connect=5, read=20),
+                "socket_options": _socket_options,
             }
             if self.settings.proxy.username:
                 _proxy_kwargs["proxy_headers"] = urllib3.make_headers(
@@ -136,10 +218,12 @@ class IAAIScraper:
             logger.info("HTTP fast-path using proxy: %s", proxy_url)
         else:
             self._http_pool = urllib3.PoolManager(
-                num_pools=4,
-                maxsize=64,
+                num_pools=8,
+                maxsize=256,
+                block=False,
                 retries=False,
-                timeout=urllib3.Timeout(connect=5, read=10),
+                timeout=urllib3.Timeout(connect=5, read=20),
+                socket_options=_socket_options,
             )
 
     def _new_trace_id(self, prefix: str) -> str:
@@ -515,32 +599,44 @@ class IAAIScraper:
                 "all_listing_origin_urls": all_listing_origin_urls,
             }
 
-        def _process_pending_batch(batch_urls: list[str], batch_start: int) -> bool:
-            nonlocal cars_upserted, cars_failed, images_upserted, failures
-            if not batch_urls:
-                return True
+        # ── Pipeline-режим: батчи (HTTP + DB upsert) выполняются в фоне,
+        # пока главный поток продолжает собирать listing-страницы через
+        # Playwright. Это убирает простой Playwright во время HTTP-фазы
+        # (~50-65 сек на 400 машин) и даёт ~25-30% к throughput.
+        # max_workers=1: батчи исполняются последовательно, но ВНЕ
+        # главного потока, чтобы не блокировать сбор listing-а.
+        # Browser fallback откладывается (skip_browser_fallback=True),
+        # потому что Playwright не thread-safe — обработаем после loop'а.
+        batch_executor = ThreadPoolExecutor(max_workers=1, thread_name_prefix="batch-pipeline")
+        pending_future: Future | None = None
+        pending_future_meta: tuple[int, int] | None = None  # (batch_start, batch_size)
+        deferred_fallbacks: list[tuple[str, int]] = []
 
-            logger.info(
-                "Processing batch %d-%d of %d",
-                batch_start + 1,
-                batch_start + len(batch_urls),
-                total,
-            )
-            try:
-                batch_result = self.sync_batch(batch_urls, lane=lane)
-                cars_upserted += batch_result.get("cars_upserted", 0)
-                cars_failed += batch_result.get("cars_failed", 0)
-                images_upserted += batch_result.get("images_upserted", 0)
-                failures.extend(batch_result.get("failures", []))
+        def _drain_pending_future() -> bool:
+            """Waits for in-flight batch and accumulates its result.
+
+            Returns False if a non-recoverable error occurred and remaining
+            batches should be aborted (mirrors the legacy contract).
+            """
+            nonlocal pending_future, pending_future_meta
+            nonlocal cars_upserted, cars_failed, images_upserted, failures
+            if pending_future is None:
                 return True
+            future = pending_future
+            meta = pending_future_meta or (0, 0)
+            pending_future = None
+            pending_future_meta = None
+            batch_start, batch_size_actual = meta
+            try:
+                batch_result = future.result()
             except PlaywrightError as pw_exc:
                 logger.warning(
                     "Batch %d-%d browser crashed: %s. Reinitializing browser context.",
                     batch_start + 1,
-                    batch_start + len(batch_urls),
+                    batch_start + batch_size_actual,
                     pw_exc,
                 )
-                cars_failed += len(batch_urls)
+                cars_failed += batch_size_actual
                 failures.append({"vehicle_url": f"batch_{batch_start}", "error": str(pw_exc)})
                 try:
                     self._new_context()
@@ -553,12 +649,51 @@ class IAAIScraper:
                 logger.error(
                     "Batch %d-%d failed: %s. Continuing with next batch.",
                     batch_start + 1,
-                    batch_start + len(batch_urls),
+                    batch_start + batch_size_actual,
                     batch_exc,
                 )
-                cars_failed += len(batch_urls)
+                cars_failed += batch_size_actual
                 failures.append({"vehicle_url": f"batch_{batch_start}", "error": str(batch_exc)})
                 return True
+            cars_upserted += batch_result.get("cars_upserted", 0)
+            cars_failed += batch_result.get("cars_failed", 0)
+            images_upserted += batch_result.get("images_upserted", 0)
+            failures.extend(batch_result.get("failures", []))
+            deferred_fallbacks.extend(batch_result.get("deferred_fallback_urls", []))
+            return True
+
+        def _process_pending_batch(batch_urls: list[str], batch_start: int) -> bool:
+            nonlocal pending_future, pending_future_meta
+            # Drain previous batch first (if still running).
+            if not _drain_pending_future():
+                return False
+            if not batch_urls:
+                return True
+            logger.info(
+                "Processing batch %d-%d of %d (pipelined)",
+                batch_start + 1,
+                batch_start + len(batch_urls),
+                total,
+            )
+            # Cookie header обязательно вычисляем в главном потоке — Playwright
+            # context.cookies() использует greenlet, который нельзя дёргать из background thread'а.
+            cookie_header = self._cookie_header_for_context()
+            pending_future = batch_executor.submit(
+                self.sync_batch,
+                batch_urls,
+                lane=lane,
+                skip_browser_fallback=True,
+                cookie_header_override=cookie_headerkground thread'а.
+            cookie_header = self._cookie_header_for_context()
+            pending_future = batch_executor.submit(
+                self.sync_batch,
+                batch_urls,
+                lane=lane,
+                skip_browser_fallback=True,
+                cookie_header_override=cookie_header,
+            )
+            pending_future_meta = (batch_start, len(batch_urls))
+            return True
 
         page = None
         try:
@@ -570,12 +705,77 @@ class IAAIScraper:
                 year_max=year_max,
             )
 
+            pages_since_rotation = 0
             for page_number in range(1, self.settings.listing.max_pages_per_run + 1):
-                page_result = self.listing_collector.collect_current_page(page, page_number=page_number)
+                # Проактивная ротация контекста (опционально, по умолчанию выключена).
+                # Если включена — требует долистывания до page_number после reopen,
+                # поэтому max_nav_pages поднят под реальную глубину.
+                if _CONTEXT_ROTATE_EVERY_PAGES > 0 and pages_since_rotation >= _CONTEXT_ROTATE_EVERY_PAGES:
+                    logger.warning(
+                        "Rotating browser context at page %d (every %d pages) to reset anti-bot state",
+                        page_number, _CONTEXT_ROTATE_EVERY_PAGES,
+                    )
+                    try:
+                        page.close()
+                    except Exception:
+                        pass
+                    page = None
+                    try:
+                        page, _ = self._reopen_listing_and_resume(
+                            target_page_number=page_number,
+                            make=make,
+                            model=model,
+                            listing_url=listing_url,
+                            year_min=year_min,
+                            year_max=year_max,
+                            max_nav_pages=max(page_number, 500),
+                        )
+                        pages_since_rotation = 0
+                    except ListingResumeError as resume_exc:
+                        logger.warning(
+                            "Context rotation could not resume at page %d (%s) — stopping segment",
+                            page_number, resume_exc,
+                        )
+                        break
+
+                try:
+                    with _PageOpWatchdog(_PAGE_COLLECT_TIMEOUT_S, f"collect page {page_number}"):
+                        page_result = self.listing_collector.collect_current_page(page, page_number=page_number)
+                except (PageOperationTimeoutError, PlaywrightError) as op_exc:
+                    logger.warning(
+                        "Page %d collect stalled/failed (%s) — reopening listing and resuming",
+                        page_number, op_exc,
+                    )
+                    try:
+                        page.close()
+                    except Exception:
+                        pass
+                    page = None
+                    try:
+                        page, _ = self._reopen_listing_and_resume(
+                            target_page_number=page_number,
+                            make=make,
+                            model=model,
+                            listing_url=listing_url,
+                            year_min=year_min,
+                            year_max=year_max,
+                            max_nav_pages=max(page_number, 500),
+                        )
+                        pages_since_rotation = 0
+                        with _PageOpWatchdog(_PAGE_COLLECT_TIMEOUT_S, f"collect page {page_number} (after reopen)"):
+                            page_result = self.listing_collector.collect_current_page(page, page_number=page_number)
+                    except (ListingResumeError, PageOperationTimeoutError, PlaywrightError) as resume_exc:
+                        logger.warning(
+                            "Cannot recover at page %d (%s) — stopping pagination for this segment",
+                            page_number, resume_exc,
+                        )
+                        break
+
                 pages_info.append({
                     "page_number": page_result.page_number,
                     "links_found": len(page_result.vehicle_links),
                 })
+                pages_since_rotation += 1
 
                 page_urls = self._extract_page_urls(
                     page_result,
@@ -604,6 +804,7 @@ class IAAIScraper:
                                 listing_url=listing_url,
                                 year_min=year_min,
                                 year_max=year_max,
+                                max_nav_pages=max(page_number, 500),
                             )
                             page_result = self.listing_collector.collect_current_page(page, page_number=page_number)
                             page_urls = self._extract_page_urls(
@@ -694,9 +895,21 @@ class IAAIScraper:
                     or not page_result.next_page_detected
                 ):
                     break
-                if not self.listing_collector.go_to_next_page(page, expected_page_number=page_number + 1):
+                try:
+                    with _PageOpWatchdog(_PAGE_NEXT_TIMEOUT_S, f"next page {page_number + 1}"):
+                        next_ok = self.listing_collector.go_to_next_page(page, expected_page_number=page_number + 1)
+                except (PageOperationTimeoutError, PlaywrightError) as nav_exc:
+                    logger.warning(
+                        "go_to_next_page stalled/failed at page %d (%s) — will reopen",
+                        page_number + 1, nav_exc,
+                    )
+                    next_ok = False
+                if not next_ok:
                     logger.warning("Failed to navigate to page %d — reopening listing and resuming", page_number + 1)
-                    page.close()
+                    try:
+                        page.close()
+                    except Exception:
+                        pass
                     page = None
                     try:
                         page, _ = self._reopen_listing_and_resume(
@@ -706,7 +919,9 @@ class IAAIScraper:
                             listing_url=listing_url,
                             year_min=year_min,
                             year_max=year_max,
+                            max_nav_pages=max(page_number + 1, 500),
                         )
+                        pages_since_rotation = 0
                     except ListingResumeError as resume_exc:
                         logger.warning(
                             "Cannot resume at page %d (%s) — treating pagination as exhausted",
@@ -717,6 +932,35 @@ class IAAIScraper:
             if pending_urls:
                 _process_pending_batch(pending_urls, cars_upserted + cars_failed)
 
+            # Финальный drain последнего in-flight батча.
+            _drain_pending_future()
+
+            # Обрабатываем отложенные browser fallback'и (Playwright теперь свободен).
+            if deferred_fallbacks:
+                fb_pages = min(len(deferred_fallbacks), self._FALLBACK_PARALLEL_PAGES)
+                logger.info(
+                    "Processing %d deferred browser fallbacks (%d parallel pages)",
+                    len(deferred_fallbacks), fb_pages,
+                )
+                try:
+                    fb_results = self._browser_fallback_parallel(
+                        deferred_fallbacks, len(deferred_fallbacks), fb_pages,
+                    )
+                    fb_records = fb_results.get("records", [])
+                    if fb_records:
+                        try:
+                            upsert_result = self.persistence.upsert_cars_batch(fb_records)
+                            cars_upserted += upsert_result["inserted"] + upsert_result["updated"]
+                            images_upserted += upsert_result["images_upserted"]
+                        except Exception as exc:
+                            logger.error("Deferred fallback upsert failed: %s", exc)
+                            cars_failed += len(fb_records)
+                    cars_failed += fb_results.get("cars_failed", 0)
+                    failures.extend(fb_results.get("failures", []))
+                except Exception as fb_exc:
+                    logger.error("Deferred fallback batch failed: %s", fb_exc)
+                    cars_failed += len(deferred_fallbacks)
+
             logger.warning(
                 "sync_listing final progress: pages=%d, discovered=%d, upserted=%d, failed=%d",
                 len(pages_info),
@@ -725,6 +969,12 @@ class IAAIScraper:
                 cars_failed,
             )
         finally:
+            # Ensure no future is left dangling on exception path.
+            try:
+                _drain_pending_future()
+            except Exception:
+                pass
+            batch_executor.shutdown(wait=True)
             if page is not None:
                 page.close()
 
@@ -979,7 +1229,8 @@ class IAAIScraper:
         """Извлекает IAAI inventoryView.attributes из HTML без браузера.
 
         Использует json.JSONDecoder.raw_decode для быстрого поиска JSON
-        вместо посимвольного сканирования скобок.
+        вместо посимвольного сканирования скобок. Если получившийся срез
+        целиком отдаётся декодеру — пробуем orjson (3-5× быстрее stdlib).
         """
         search = "inventoryView"
         pos = html.find(search)
@@ -996,11 +1247,24 @@ class IAAIScraper:
         if content_start < 0:
             return None
 
-        decoder = json.JSONDecoder()
-        try:
-            obj, _ = decoder.raw_decode(html, content_start)
-        except (json.JSONDecodeError, ValueError):
-            return None
+        # Быстрый путь: вырезаем всё до </script>, пытаемся orjson; иначе stdlib.
+        obj: dict | None = None
+        if _HAS_ORJSON:
+            script_end = html.find("</script>", content_start)
+            if script_end > content_start:
+                # Подрезаем хвост до последней закрывающей скобки JSON.
+                snippet = html[content_start:script_end].rstrip().rstrip(";")
+                try:
+                    obj = _orjson.loads(snippet)
+                except Exception:
+                    obj = None
+
+        if obj is None:
+            decoder = json.JSONDecoder()
+            try:
+                obj, _ = decoder.raw_decode(html, content_start)
+            except (json.JSONDecodeError, ValueError):
+                return None
 
         iv = obj.get("inventoryView")
         if not iv or not iv.get("attributes"):
@@ -1118,11 +1382,19 @@ class IAAIScraper:
         cookie_header: str,
         user_agent: str,
     ) -> CarRecord:
-        """Быстрый HTTP-запрос через urllib3 (connection pooling / keep-alive)."""
+        """Быстрый HTTP-запрос через urllib3 (connection pooling / keep-alive).
+
+        Заголовок Accept-Encoding включает gzip/deflate/br — IAAI отдаёт HTML
+        со сжатием 5-10×, что снижает байты по сети и время декода.
+        urllib3 сам прозрачно распаковывает gzip и deflate; для br нужен
+        пакет `brotli` (он в зависимостях). Если brotli не установлен — он
+        просто не появится в Accept-Encoding и сервер ответит gzip.
+        """
         headers = {
             "User-Agent": user_agent,
             "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
             "Accept-Language": "en-US,en;q=0.9",
+            "Accept-Encoding": self._ACCEPT_ENCODING,
             "Cache-Control": "no-cache",
             "Pragma": "no-cache",
             "Connection": "keep-alive",
@@ -1131,7 +1403,10 @@ class IAAIScraper:
         if cookie_header:
             headers["Cookie"] = cookie_header
 
-        response = self._http_pool.request("GET", vehicle_url, headers=headers)
+        # decode_content=True — urllib3 сам распакует gzip/deflate/br.
+        response = self._http_pool.request(
+            "GET", vehicle_url, headers=headers, decode_content=True,
+        )
         if response.status >= 400:
             raise RuntimeError(f"HTTP fetch failed for {vehicle_url}: {response.status}")
         html = response.data.decode("utf-8", errors="ignore")
@@ -1205,6 +1480,10 @@ class IAAIScraper:
     _HTTP_RETRY_DELAYS = (0.4, 1.0) # Задержки между повторами
     _FALLBACK_PARALLEL_PAGES = 4    # Параллельных вкладок для fallback
     _FALLBACK_NAV_TIMEOUT_MS = 8000 # Таймаут навигации fallback
+    # gzip+deflate: нативно в urllib3 (zlib, ~0 CPU). Brotli отключён намеренно —
+    # python-brotli декодирует на CPU и под 32 параллельными потоками становится
+    # узким местом (хуже, чем гонять чуть больше байт по сети).
+    _ACCEPT_ENCODING = "gzip, deflate"
 
     def _browser_fallback_parallel(
         self,
@@ -1359,11 +1638,15 @@ class IAAIScraper:
             "protection_events": protection_events,
         }
 
+        cookie_header_override: str | None = None,
     def sync_batch(
         self,
         vehicle_urls: list[str],
         lane: str = "iaai_cars",
         parallel_tabs: int | None = None,
+        *,
+        skip_browser_fallback: bool = False,
+        cookie_header_override: str | None = None,
     ) -> dict:
         trace_id = self._new_trace_id("sync-batch")
         started_at = time.perf_counter()
@@ -1374,7 +1657,13 @@ class IAAIScraper:
         cars_failed = 0
         images_upserted = 0
         records: list[CarRecord] = []
-        failures: list[dict[str, str]] = []
+        # cookie_header_override передаётся из главного потока при pipeline-вызове —
+        # вычисление cookie_header из background thread'а ломает Playwright sync greenlet.
+        cookie_header = (
+            cookie_header_override
+            if cookie_header_override is not None
+            else self._cookie_header_for_context()
+        
         http_successes = 0
         http_fallbacks = 0
         protection_events = 0
@@ -1382,17 +1671,25 @@ class IAAIScraper:
         total = len(vehicle_urls)
         logger.info("sync_batch: %d vehicles, %d parallel workers", total, num_workers)
 
-        cookie_header = self._cookie_header_for_context()
-        user_agent = (
-            "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) "
-            "Gecko/20100101 Firefox/128.0"
+        # cookie_header_override передаётся из главного потока при pipeline-вызове —
+        # вычисление cookie_header из background thread'а ломает Playwright sync greenlet.
+        cookie_header = (
+            cookie_header_override
+            if cookie_header_override is not None
+            else self._cookie_header_for_context()
         )
+        # UA должен совпадать с UA Playwright-контекста, иначе Imperva видит
+        # «cookies от Chrome, ходим под Firefox» — типичный сигнал бота.
+        user_agent = self.settings.fingerprint.user_agent
 
         # ── Фаза 1: HTTP fast-path ──
         fallback_urls: list[tuple[str, int]] = []
 
         def _fetch_one_with_retry(idx_url: tuple[int, str]) -> tuple[int, CarRecord | Exception]:
             idx, url = idx_url
+            # Небольшой анти-бёрст джиттер: разносим старт запросов в пуле,
+            # чтобы N воркеров не били в одну TLS-/PX-волну.
+            time.sleep(random.uniform(0.0, 0.15))
             last_exc: Exception | None = None
             for attempt in range(1 + self._HTTP_MAX_RETRIES):
                 try:
@@ -1431,16 +1728,28 @@ class IAAIScraper:
         )
 
         # ── Фаза 2: браузерный fallback ──
+        # При skip_browser_fallback=True (pipeline-режим) возвращаем fallback_urls
+        # вызывающему — Playwright занят сбором листинга в главном потоке,
+        # его нельзя трогать из фонового executor'а.
+        deferred_fallback_urls: list[tuple[str, int]] = []
         if fallback_urls:
-            logger.info(
-                "Fallback browser mode: %d/%d URLs, single page",
-                len(fallback_urls), total,
-            )
-            fb_results = self._browser_fallback_parallel(fallback_urls, total, 1)
-            records.extend(fb_results["records"])
-            cars_failed += fb_results["cars_failed"]
-            protection_events += fb_results["protection_events"]
-            failures.extend(fb_results["failures"])
+            if skip_browser_fallback:
+                deferred_fallback_urls = fallback_urls
+                logger.info(
+                    "Deferring browser fallback: %d/%d URLs (pipeline mode)",
+                    len(fallback_urls), total,
+                )
+            else:
+                fb_pages = min(len(fallback_urls), self._FALLBACK_PARALLEL_PAGES)
+                logger.info(
+                    "Fallback browser mode: %d/%d URLs, %d parallel pages",
+                    len(fallback_urls), total, fb_pages,
+                )
+                fb_results = self._browser_fallback_parallel(fallback_urls, total, fb_pages)
+                records.extend(fb_results["records"])
+                cars_failed += fb_results["cars_failed"]
+                protection_events += fb_results["protection_events"]
+                failures.extend(fb_results["failures"])
 
         # ── Фаза 3: запись в БД ──
         if records:
@@ -1475,6 +1784,7 @@ class IAAIScraper:
             "protection_events": protection_events,
             "elapsed_seconds": round(time.perf_counter() - started_at, 3),
             "failures": failures,
+            "deferred_fallback_urls": deferred_fallback_urls,
         }
 
     def sync_listing(

iaai_scraper/worker/tasks.py

@@ -608,7 +608,10 @@ def sync_listing_task(
         )
         if force_bootstrap_full_scan:
             _set_full_scan_done(redis_client, False)
-            _enqueue_bootstrap_followup("soft_time_limit_exceeded", count_as_failure=False)
+            # SoftTimeLimit считаем failure для circuit breaker:
+            # если сегмент систематически не укладывается в time limit,
+            # нельзя крутить followup бесконечно.
+            _enqueue_bootstrap_followup("soft_time_limit_exceeded", count_as_failure=True)
         # Partial progress уже записан в БД через finish_sync_run.
         # Не retry — следующий запуск продолжит обработку по расписанию.
         return {

pyproject.toml

@@ -20,6 +20,8 @@ dependencies = [
   "sqlalchemy>=2.0.32",
   "uvicorn>=0.34.0",
   "urllib3>=2.0.0",
+  "orjson>=3.10.0",
+  "brotli>=1.1.0",
 ]
 
 [project.optional-dependencies]

sitemap_test.xml

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="utf-8"?><!--List of sitemaps created--><sitemapindex xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemap1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemap2.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemap3.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapbranches1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapauctions1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapMake1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapMakeModel1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapMakeModelYear1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapVehicleTypeMake1.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap><sitemap><loc>https://www.iaai.com/Xj9rDOVMEi0hc38S/sitemapVehicleType.xml</loc><lastmod>2026-04-18T04:03:01-05:00</lastmod></sitemap></sitemapindex>