{
  "start_time": "2026-10-12 14:05",
  "recovered_time": "2026-10-12 14:17",
  "impact_minutes": 12,
  "cause": "连接池上限从80改成20（已证实）；数据库问题（未证实）",
  "confirmed": [
    "连接池上限从80改成20",
    "回滚恢复80后接口恢复"
  ],
  "next_actions": [
    "检查连接池等待时间",
    "用相同流量复测"
  ]
}