{
  "verified_on": "2026-09-21",
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    "version": "0.7.0",
    "commit": "127aa247772027f9ac8f5b16107552a7e1b541ed",
    "image": "ghcr.io/stokaro/ptah@sha256:f6ba9e81c12cc06fb4691055922e1c329c95cd53dd4eb97efdc4952aa08b507d",
    "measured_platform": "linux/amd64"
  },
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    "image": "postgres@sha256:1957b2ff3137e4ef7f3bc813e74fff50b1e1ffddc85c8b9d6f14ade972be8687"
  },
  "workload": {
    "tool": "pgbench 18.6",
    "original_orders": 1000000,
    "duration_seconds": 90,
    "clients": 8,
    "threads": 4,
    "target_tps": 300,
    "query_timeout_ms": 1500,
    "latency_budget_ms": 2000,
    "completed_transactions": 26855,
    "failed_transactions": 0,
    "skipped_transactions": 0,
    "over_budget_transactions": 0,
    "mean_latency_ms": 7.031,
    "legacy_orders": 13538,
    "new_writer_orders": 13317
  },
  "checks": [
    "direct SET NOT NULL before backfill: psql exit 3",
    "blocked default: Ptah exit 2, SQLSTATE 55P03, applied 0/1",
    "unchanged dirty migration retry: exit 0",
    "all original orders preserved; no missing or incorrect currency; totals unchanged",
    "schema compare: exit 0",
    "verified migration status: exit 0",
    "explicit NULL after migration: psql exit 1",
    "fresh replay: exit 0",
    "fresh schema compare: exit 0",
    "last migration lint: exit 1, PG303 and DS105 reviewed"
  ],
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    "duration_seconds": 120,
    "completed_transactions": 35655,
    "skipped_transactions": 191,
    "over_budget_transactions": 19,
    "latency_target_met": false,
    "cause_isolated": false
  },
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