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krona-staff/tests/e2e/evidence/n13-race.txt
grok 045f696425 test(e2e): N13 — нагрузочная проверка гонки первого расчёта зарплаты 
Зачем: владелец пометил N13 как «не воспроизведено», а в коде окно гонки
(SELECT ... FOR UPDATE по отсутствующей строке, затем INSERT ... ON CONFLICT
DO NOTHING со своим runId) видно. Нужен повторяемый замер на живом сервере
и реальной PostgreSQL 17, а не рассуждение.

Что: scripts/test/n13-race.mjs — 10/25/50 параллельных первых
POST /payroll/calculate, каждая попытка на новой точке, проверка статусов,
числа run_id, строк в staff_payroll_runs и «фантомных» run_id. Режим as-is
показывает, что сейчас всё упирается в N2 (500). Режим n2-bypass ставит
DEFAULT now() только в одноразовой БД скрипта (продукт и миграции не
меняются), чтобы увидеть саму гонку. Итог: 0 некорректных из 30 попыток;
причина (из кода) — случайная сериализация через upsert
ensureDefaultPayRules. Это записано в NOTES-FOR-EXECUTORS вместе с
рекомендацией явной блокировки и замечанием об утечке текста ошибок БД в 500.
2026-09-26 15:18:31 +07:00

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$ node scripts/test/n13-race.mjs --mode as-is --attempts 5
[n13] mode=as-is sessions=false N=10 attempt=1: statuses={"500":10} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":10} -> BAD
[n13] mode=as-is sessions=false N=10 attempt=2: statuses={"500":10} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":10} -> BAD
[n13] mode=as-is sessions=false N=10 attempt=3: statuses={"500":10} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":10} -> BAD
[n13] mode=as-is sessions=false N=10 attempt=4: statuses={"500":10} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":10} -> BAD
[n13] mode=as-is sessions=false N=10 attempt=5: statuses={"500":10} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":10} -> BAD
[n13] mode=as-is sessions=false N=25 attempt=1: statuses={"500":25} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":25} -> BAD
[n13] mode=as-is sessions=false N=25 attempt=2: statuses={"500":25} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":25} -> BAD
[n13] mode=as-is sessions=false N=25 attempt=3: statuses={"500":25} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":25} -> BAD
[n13] mode=as-is sessions=false N=25 attempt=4: statuses={"500":25} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":25} -> BAD
[n13] mode=as-is sessions=false N=25 attempt=5: statuses={"500":25} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":25} -> BAD
[n13] mode=as-is sessions=false N=50 attempt=1: statuses={"500":50} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":50} -> BAD
[n13] mode=as-is sessions=false N=50 attempt=2: statuses={"500":50} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":50} -> BAD
[n13] mode=as-is sessions=false N=50 attempt=3: statuses={"500":50} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":50} -> BAD
[n13] mode=as-is sessions=false N=50 attempt=4: statuses={"500":50} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":50} -> BAD
[n13] mode=as-is sessions=false N=50 attempt=5: statuses={"500":50} distinct_run_ids=0 db_runs=0 db_lines=0 phantom_run_ids=0 errors={"null value in column \"occurred_at\" of relation \"staff_outbox\" violates not-null constraint":50} -> BAD
[n13] ИТОГ mode=as-is sessions=false: попыток 15, некорректных 15
exit=1
$ node scripts/test/n13-race.mjs --mode n2-bypass --attempts 5
[n13] ДИАГНОСТИКА: staff_outbox.occurred_at DEFAULT now() (обход N2 только в этой БД)
[n13] mode=n2-bypass sessions=false N=10 attempt=1: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=10 attempt=2: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=10 attempt=3: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=10 attempt=4: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=10 attempt=5: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=25 attempt=1: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=25 attempt=2: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=25 attempt=3: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=25 attempt=4: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=25 attempt=5: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=50 attempt=1: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=50 attempt=2: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=50 attempt=3: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=50 attempt=4: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=false N=50 attempt=5: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=0 phantom_run_ids=0 errors={} -> OK
[n13] ИТОГ mode=n2-bypass sessions=false: попыток 15, некорректных 0
exit=0
$ node scripts/test/n13-race.mjs --mode n2-bypass --attempts 5 --with-sessions --db krona_staff_n13_sessions
[n13] ДИАГНОСТИКА: staff_outbox.occurred_at DEFAULT now() (обход N2 только в этой БД)
[n13] mode=n2-bypass sessions=true N=10 attempt=1: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=10 attempt=2: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=10 attempt=3: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=10 attempt=4: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=10 attempt=5: statuses={"200":10} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=25 attempt=1: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=25 attempt=2: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=25 attempt=3: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=25 attempt=4: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=25 attempt=5: statuses={"200":25} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=50 attempt=1: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=50 attempt=2: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=50 attempt=3: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=50 attempt=4: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] mode=n2-bypass sessions=true N=50 attempt=5: statuses={"200":50} distinct_run_ids=1 db_runs=1 db_lines=1 phantom_run_ids=0 errors={} -> OK
[n13] ИТОГ mode=n2-bypass sessions=true: попыток 15, некорректных 0
exit=0
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