{
  "id": "policy/docker-hub-pull-rate-limit-exceeded-anonymous",
  "signature": "Error response from daemon: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limits",
  "signature_zh": "来自守护进程的错误响应：toomanyrequests：您已达到拉取速率限制。您可以通过身份验证和升级来提高限制：https://www.docker.com/increase-rate-limits",
  "regex": "toomanyrequests.*pull rate limit",
  "domain": "policy",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "Docker Hub enforces rate limits on anonymous users (100 pulls per 6 hours) and authenticated free users (200 pulls per 6 hours); the CI/CD pipeline or developer machine exceeded this limit.",
  "root_cause_type": "generic",
  "root_cause_zh": "Docker Hub 对匿名用户（每 6 小时 100 次拉取）和经过身份验证的免费用户（每 6 小时 200 次拉取）实施速率限制；CI/CD 管道或开发机器超出了此限制。",
  "versions": [
    {
      "version": "Docker Engine v20.10+",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Docker Hub rate limits (Nov 2020)",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Works but is impractical for CI/CD pipelines that need immediate builds; also, the limit resets based on a rolling window, not a fixed time.",
      "fail_rate": 0.4,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The rate limit applies per image pull, not per tag; changing tags does not bypass the limit.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Authenticate with Docker Hub using docker login to increase the limit to 200 pulls per 6 hours for free accounts.",
      "success_rate": 0.9,
      "how": "Authenticate with Docker Hub using docker login to increase the limit to 200 pulls per 6 hours for free accounts.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a Docker Hub paid subscription (Pro/Team) for unlimited pulls, or mirror images to a private registry like Amazon ECR or GitHub Container Registry.",
      "success_rate": 0.85,
      "how": "Use a Docker Hub paid subscription (Pro/Team) for unlimited pulls, or mirror images to a private registry like Amazon ECR or GitHub Container Registry.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "使用 docker login 登录 Docker Hub，将免费账户的限制提高到每 6 小时 200 次拉取。",
    "使用 Docker Hub 付费订阅（Pro/Team）获得无限拉取，或将镜像镜像到私有仓库（如 Amazon ECR 或 GitHub Container Registry）。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://docs.docker.com/docker-hub/download-rate-limit/",
  "official_doc_section": null,
  "error_code": "429",
  "verification_tier": "ai_generated",
  "confidence": 0.9,
  "fix_success_rate": 0.9,
  "resolvable": "true",
  "first_seen": "2023-09-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}