{
  "slug": "heavykeeper-topk",
  "name": "HeavyKeeper Top-K 探测",
  "description": "HeavyKeeper算法原理、指数衰减、vs CMS对比、Top-K堆管理",
  "tags": [
    "cms",
    "heavykeeper",
    "heavykeeper-topk",
    "hot-key-detection"
  ],
  "difficulty_range": [
    3,
    5
  ],
  "schema_version": "1.0.0",
  "updated": "2026-09-09",
  "question_files": [
    "single_choice",
    "code_reading",
    "short_answer"
  ],
  "stats": {
    "total": 14,
    "by_type": {
      "single_choice": 8,
      "code_reading": 3,
      "short_answer": 3
    }
  }
}