Airwallex后端面经:低延迟行情系统设计
- 2026-10-18 04:22:01
Airwallex后端面经:低延迟行情系统设计
Airwallex后端面经：低延迟行情系统设计
To design a low-latency stock quote system, prioritize a Push-based model over polling to slash RTT. Leverage Kernel Bypass (DPDK) and Zero-copy to minimize OS overhead. Use lock-free Ring Buffers (like Disruptor) and binary protocols (SBE/Protobuf) for lightning-fast processing. Finally, implement In-memory storage and Hot-Hot redundancy to ensure sub-millisecond updates with high availability. This holistic approach ensures maximum throughput and minimal jitter.
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