Unverified50% confidenceSolutionExact time
熔断降级是分布式系统的容错模式，当下游服务连续失败或超时达到阈值时熔断器断开，后续请求直接走降级逻辑，避免故障引发系统雪崩
1
Sources
50%
Confidence
Long-term
Relevance
8/26/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe circuit breaker pattern originates from the fault-tolerance design philosophy of microservice architecture, automatically interrupting and rolling back when the failure rate exceeds a threshold.80% similarUnverified级联失效的根本原因通常在于服务间的强耦合与缺乏熔断机制，上游服务响应超时会导致下游线程池被阻塞请求耗尽64% similarUnverified指令衰减（Instruction Decay）是指当上下文窗口逐渐被填满时，模型对早期系统指令或用户要求的遵循程度明显下滑63% similarUnverified2018年的Spectre/Meltdown事件从侧信道角度揭示了跨VM数据泄露威胁，其修复带来部分工作负载性能下降5%-30%62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/802704API
curl https://kongchang.com/api/v1/knowledge/claims/802704MCP
get_claim(id=802704)