{
  "python": "3.14.4",
  "sqlite": "3.51.3",
  "model_boundary": "fixed physical dictionaries; checks keys, unique copy, destination and payload; no concurrent migration protocol",
  "runs": [
    {
      "command": [
        "/opt/homebrew/opt/python@3.14/bin/python3.14",
        "-B",
        "examples/system-design/labs/08/partition.py"
      ],
      "captured_at": "2026-10-03T12:42:07.153174+00:00",
      "exit_code": 0,
      "source": "examples/system-design/labs/08/partition.py",
      "source_sha256": "ab66f47c29d7766a35c2f9f7f6e4ed2c41f6216219ce65dee7b11c836518d81d",
      "stdout": "{\"hot_owner_requests\": 701, \"migrated_objects\": 100, \"migration_complete\": true, \"migration_owner_count\": 78, \"owner_is_routing_unit\": true, \"shards\": {\"hash\": {\"objects\": [30, 23, 25, 22], \"requests\": [30, 723, 25, 22]}, \"range\": {\"objects\": [25, 25, 25, 25], \"requests\": [25, 725, 25, 25]}}}\n",
      "stderr": "",
      "stdout_sha256": "4a68cf9a0544b6c30927c754d37a01e466b7edb0aac3b470c7cb339bc63d9bbe",
      "stderr_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    },
    {
      "command": [
        "/opt/homebrew/opt/python@3.14/bin/python3.14",
        "-B",
        "examples/system-design/labs/08/partition.py",
        "--expect-hotspot-removed"
      ],
      "captured_at": "2026-10-03T12:42:07.215680+00:00",
      "exit_code": 2,
      "source": "examples/system-design/labs/08/partition.py",
      "source_sha256": "ab66f47c29d7766a35c2f9f7f6e4ed2c41f6216219ce65dee7b11c836518d81d",
      "stdout": "{\"hot_owner_requests\": 701, \"migrated_objects\": 100, \"migration_complete\": true, \"migration_owner_count\": 78, \"owner_is_routing_unit\": true, \"shards\": {\"hash\": {\"objects\": [30, 23, 25, 22], \"requests\": [30, 723, 25, 22]}, \"range\": {\"objects\": [25, 25, 25, 25], \"requests\": [25, 725, 25, 25]}}}\nINVARIANT_FAILED: hashing owners does not split one hot owner\n",
      "stderr": "",
      "stdout_sha256": "d2b2abc7f4aa44f52d9f63b2f2090451e0d04f63134a4ae8272611680e237e42",
      "stderr_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    },
    {
      "command": [
        "/opt/homebrew/opt/python@3.14/bin/python3.14",
        "-B",
        "examples/system-design/labs/08/partition.py",
        "--migration-fault",
        "drop"
      ],
      "captured_at": "2026-10-03T12:42:07.299495+00:00",
      "exit_code": 2,
      "source": "examples/system-design/labs/08/partition.py",
      "source_sha256": "ab66f47c29d7766a35c2f9f7f6e4ed2c41f6216219ce65dee7b11c836518d81d",
      "stdout": "INVARIANT_FAILED: missing or unexpected migrated key\n",
      "stderr": "",
      "stdout_sha256": "71f6a70223e9d230fc61f74c8aeb59559d953aad59b5af16845f9a5b24d89f47",
      "stderr_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    },
    {
      "command": [
        "/opt/homebrew/opt/python@3.14/bin/python3.14",
        "-B",
        "examples/system-design/labs/08/partition.py",
        "--migration-fault",
        "duplicate"
      ],
      "captured_at": "2026-10-03T12:42:07.381053+00:00",
      "exit_code": 2,
      "source": "examples/system-design/labs/08/partition.py",
      "source_sha256": "ab66f47c29d7766a35c2f9f7f6e4ed2c41f6216219ce65dee7b11c836518d81d",
      "stdout": "INVARIANT_FAILED: duplicate migrated key\n",
      "stderr": "",
      "stdout_sha256": "eeaa0d5774720b80702e38c85b4e6aea5dcbde0331e26232a0c6b2d15b88aa4e",
      "stderr_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    },
    {
      "command": [
        "/opt/homebrew/opt/python@3.14/bin/python3.14",
        "-B",
        "examples/system-design/labs/08/test_partition.py"
      ],
      "captured_at": "2026-10-03T12:42:07.482671+00:00",
      "exit_code": 0,
      "source": "examples/system-design/labs/08/test_partition.py",
      "source_sha256": "58387bd1ded82128817b94c3ad9cff47599ce0b86f517ba177040c509ef3ed00",
      "stdout": "",
      "stderr": "...\n----------------------------------------------------------------------\nRan 3 tests in 0.001s\n\nOK\n",
      "stdout_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
      "stderr_sha256": "921b60a7fd52e978fbb551cacd29df2d6708879400278e1fcc70fceeb0c6f8e0"
    }
  ]
}