How We Built a Real-Time Stock Pricing System at Scale How we built a production architecture handling 1,900+ messages per second and tens of thousands of concurrent connections with Kafka, Redis …
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Polly's maintenance fee starts 16 November 2026. See who pays, the free Microsoft route, Kevlar, and a tested Polly-free retry and circuit breaker in .NET 10.
An API can save an order and crash before publishing the message that tells other services about it.
What happens if you await something that never finishes? Does the method sit in memory until the heat death of the universe (or all the other possible scenarios)? Does it leak? Let's find out, and then do some things you should definitely 100% legit do in production.
Event-driven architecture (EDA) phổ biến nhưng tiềm nhiều thách thức trong production environment. Vấn đề truy xuất lỗi (tracing) trở nên phức tạp khi sự kiện (event) đi qua nhiều service khác nhau, đòi hỏi hệ thống phân tích log tập trung như ELK stack. Hàng đợi tin hỏi (dead letter queues) dễ bị đầy nếu không implement validation logic kỹ càng, dẫn đến mất dữ kiện quan trọng. Sự không nhất quán cuối cùng (eventual consistency) gây race condition khi nhiều consumer xử lý cùng event đồng thời. Các EDA system cần thiết kế event schema versioning và comprehensive testing framework với Contract Testing để đảm bảo reliability khi số lượng service tăng lên.
Bài viết này giúp lập trình viên nhận diện và giải quyết các vấn đề phổ biến trong kiến trúc hướng sự kiện như tracing, dead letter queues, tính nhất quán cuối cùng và testing.
Researcher John Langford has left Microsoft and declared AI Frontiers over after the roughly 50-person group moved into Microsoft AI in…
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