How to Build Systems That Run Stably for 10 Years
This article shares practical methodologies for building software systems that remain stable for a decade, covering goal setting, holistic design, operator and data‑center choices, cross‑region active‑active challenges, server and platform selection, comprehensive monitoring, and the importance of continuous personal improvement.
We have previously introduced coding standards and git tools; now we discuss development methodology.
1 Goal
Write code to build systems that can run stably for ten years.
2 How to Achieve
Take a holistic view: consider the environment (servers, databases, data centers, network), anticipate runtime issues, design a clear layered architecture, and write readable code.
3 Operational Challenges
Operations issues often determine long‑term stability; maintainability is more critical than raw performance.
Operators and Data Centers
In China, telecom and unicom are the primary carriers; deploying services in both ensures reliability. Choose two data centers in the same city for better network reliability, and use a master‑slave MySQL setup across carriers for data consistency.
Cross‑Region Active‑Active Issues
If one data center fails, a read‑only replica can cause service problems; design active‑active solutions that are truly usable, not just available.
Server Selection
Hardware quality varies; avoid machines from unreliable vendors after experiencing performance issues caused by poor hardware.
Platform Selection
Understand the deployment platform—physical machines, virtual machines, or containers. Deeper knowledge of the platform helps make better decisions and anticipate potential problems.
Service Monitoring
After launch, issues such as disk full, process crashes, memory leaks, or storage failures may arise. Implement monitoring and alerting to detect problems early and resolve them quickly; timely alerts are crucial.
4 Continuous Improvement
Keep learning new knowledge, reflect on past projects, and aggressively refactor poorly designed parts without using “no time” as an excuse.
5 Conclusion
Key practices: read books, summarize and reflect on projects, refactor aggressively, and aim to build systems that can operate reliably for ten years.
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360 Zhihui Cloud Developer
360 Zhihui Cloud is an enterprise open service platform that aims to "aggregate data value and empower an intelligent future," leveraging 360's extensive product and technology resources to deliver platform services to customers.
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