{
  "schema": 1,
  "kind": "real-loopback-peer-partitions",
  "recorded_at": "2026-11-13T18:07:17.573823+00:00",
  "runtime": {
    "etcd": "3.6.6",
    "platform": "Darwin arm64",
    "python": "3.11.2"
  },
  "method": "Three live etcd voters; owned plaintext HTTP/1 TCP peer proxies classify X-Server-From; cut existing cross-group connections and reject reconnects; direct client ports remain reachable.",
  "independent_oracle": "Majority write success and exact returned values; stale serializable read versus unknown linearizable read; all subprocesses remain alive; healed replicas agree. Proxy counters corroborate scope, not correctness.",
  "limits": [
    "single host, synthetic data",
    "connection close/reject, not arbitrary packet loss, latency distribution or TLS",
    "not a full Raft implementation or production network chaos matrix",
    "timed-out writes remain unknown and may apply after healing"
  ],
  "repetitions": [
    {
      "initial_leader": "n2",
      "majority_leader": "n3",
      "groups_during_minority_cut": [
        [
          "n2"
        ],
        [
          "n1",
          "n3"
        ]
      ],
      "majority_write": {
        "outcome": "ok",
        "duration_ms": 14.676,
        "response": {
          "header": {
            "cluster_id": "12925061331799992745",
            "member_id": "4438762448107083495",
            "revision": "3",
            "raft_term": "3"
          }
        }
      },
      "isolated_serializable_read": "before-cut",
      "isolated_linearizable_read": {
        "outcome": "unknown",
        "duration_ms": 601.887
      },
      "isolated_write": {
        "outcome": "unknown",
        "duration_ms": 602.415
      },
      "all_processes_alive_during_cut": [
        true,
        true,
        true
      ],
      "proxy_minority_phase": {
        "cut_connections": [
          {
            "from": "n1",
            "to": "n2",
            "count": 57
          },
          {
            "from": "n2",
            "to": "n1",
            "count": 72
          },
          {
            "from": "n2",
            "to": "n3",
            "count": 71
          },
          {
            "from": "n3",
            "to": "n2",
            "count": 71
          }
        ],
        "observed_peer_connections": [],
        "unclassified_connections_rejected": 4
      },
      "healed_values": [
        "majority-committed",
        "majority-committed",
        "majority-committed"
      ],
      "isolated_unknown_after_heal": null,
      "three_singleton_write": {
        "outcome": "unknown",
        "duration_ms": 605.861
      },
      "all_processes_alive_during_singletons": [
        true,
        true,
        true
      ],
      "final_acknowledged_value_preserved": true,
      "assertions_passed": true,
      "repeat": 1
    },
    {
      "initial_leader": "n1",
      "majority_leader": "n3",
      "groups_during_minority_cut": [
        [
          "n1"
        ],
        [
          "n2",
          "n3"
        ]
      ],
      "majority_write": {
        "outcome": "ok",
        "duration_ms": 13.252,
        "response": {
          "header": {
            "cluster_id": "17702344321327505975",
            "member_id": "15769064079333596798",
            "revision": "3",
            "raft_term": "3"
          }
        }
      },
      "isolated_serializable_read": "before-cut",
      "isolated_linearizable_read": {
        "outcome": "unknown",
        "duration_ms": 601.605
      },
      "isolated_write": {
        "outcome": "unknown",
        "duration_ms": 602.325
      },
      "all_processes_alive_during_cut": [
        true,
        true,
        true
      ],
      "proxy_minority_phase": {
        "cut_connections": [
          {
            "from": "n1",
            "to": "n2",
            "count": 69
          },
          {
            "from": "n1",
            "to": "n3",
            "count": 69
          },
          {
            "from": "n2",
            "to": "n1",
            "count": 57
          },
          {
            "from": "n3",
            "to": "n1",
            "count": 71
          }
        ],
        "observed_peer_connections": [],
        "unclassified_connections_rejected": 4
      },
      "healed_values": [
        "majority-committed",
        "majority-committed",
        "majority-committed"
      ],
      "isolated_unknown_after_heal": null,
      "three_singleton_write": {
        "outcome": "unknown",
        "duration_ms": 602.583
      },
      "all_processes_alive_during_singletons": [
        true,
        true,
        true
      ],
      "final_acknowledged_value_preserved": true,
      "assertions_passed": true,
      "repeat": 2
    },
    {
      "initial_leader": "n2",
      "majority_leader": "n3",
      "groups_during_minority_cut": [
        [
          "n2"
        ],
        [
          "n1",
          "n3"
        ]
      ],
      "majority_write": {
        "outcome": "ok",
        "duration_ms": 15.606,
        "response": {
          "header": {
            "cluster_id": "7952547343214289856",
            "member_id": "7206213169483371824",
            "revision": "3",
            "raft_term": "3"
          }
        }
      },
      "isolated_serializable_read": "before-cut",
      "isolated_linearizable_read": {
        "outcome": "unknown",
        "duration_ms": 601.602
      },
      "isolated_write": {
        "outcome": "unknown",
        "duration_ms": 602.278
      },
      "all_processes_alive_during_cut": [
        true,
        true,
        true
      ],
      "proxy_minority_phase": {
        "cut_connections": [
          {
            "from": "n1",
            "to": "n2",
            "count": 60
          },
          {
            "from": "n2",
            "to": "n1",
            "count": 73
          },
          {
            "from": "n2",
            "to": "n3",
            "count": 73
          },
          {
            "from": "n3",
            "to": "n2",
            "count": 72
          }
        ],
        "observed_peer_connections": [],
        "unclassified_connections_rejected": 4
      },
      "healed_values": [
        "majority-committed",
        "majority-committed",
        "majority-committed"
      ],
      "isolated_unknown_after_heal": null,
      "three_singleton_write": {
        "outcome": "unknown",
        "duration_ms": 601.137
      },
      "all_processes_alive_during_singletons": [
        true,
        true,
        true
      ],
      "final_acknowledged_value_preserved": true,
      "assertions_passed": true,
      "repeat": 3
    }
  ]
}