请问HN:当第七层不可靠时,如何扩展代理系统?
代理工作流程通常涉及对不同服务(如大型语言模型、数据API、网页抓取)进行10次以上的API调用。第七层(Layer 7)不可靠会导致工作流程失败或引发重试风暴。
我想到的一些常见故障模式包括:
- 429速率限制 → 代理重试 → 更加频繁地冲击API
- 部分服务中断 → 客户之间的同步重试
- LangGraph工作流程在执行中失败 → 如何恢复?
对于大规模运行代理系统的用户:
- 你们如何处理第七层的故障?
- 重试协调?断路器?
- 你们如何防止对下游依赖的重试风暴?
- LangGraph工作流程是否能优雅地处理API故障?
我很好奇实际生产环境的情况。
查看原文
Agent workflows often involve 10+ API calls to different services
(LLMs, data APIs, web scraping). Layer 7 being unreliable =
workflows fail or cause retry storms.<p>Common failure modes I'm thinking about:
- 429 rate limits → agents retry → hammer API worse
- Partial outages → synchronized retries across customers
- LangGraph workflows fail mid-execution → how to resume?<p>For those running agent systems at scale:
- How do you handle Layer 7 failures?
- Retry coordination? Circuit breakers?
- How do you prevent retry storms to downstream dependencies?
- Do LangGraph workflows gracefully handle API failures?<p>Curious what the production reality looks like.