{
  "system_prefix": null,
  "history_count": 1,
  "user_summary": {
    "text": "请围绕下面的关键词写一段连贯的分析（约 300 tokens 的输入）：the system throughput、请详细说明、under high concurrency、latency distribution、如何度量与验证、云计算架构、请举例说明、在生产环境中、load balancing、",
    "has_image": false,
    "has_tool_result": false
  },
  "assistant_summary": {
    "text": "在高并发（under high concurrency）生产环境中，the system throughput 与 latency distribution 必须联合度量与验证，不能只看平均延迟。云计算架构下通过 load balancing 与弹性实例分散请求，而 streaming respon",
    "tool_calls": [],
    "stop_reason": "stop"
  }
}

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  "completion_tokens_details": {
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  },
  "prompt_tokens": 275,
  "prompt_tokens_details": {
    "cached_tokens": 0
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  "total_tokens": 2280
}