Tagged articles

gradual rollout

2 articles · Page 1 of 1
Random Bulletin
Random Bulletin
Sep 10, 2026 · Operations

Canary Releases at 10M QPS: Making Gradual Rollouts Mandatory, Not Optional

This article explains why canary releases become essential at 10M QPS, detailing how to define canary units by identity, failure domain, and business scenario; set absolute traffic limits; use evidence-driven state machines with four metric layers; ensure version compatibility; choose rollback, feature-flag, or forward-fix strategies; build platform capabilities; avoid common pitfalls; and make canary the default deployment path.

10M QPScanary releasedeployment strategy
0 likes · 30 min read
Canary Releases at 10M QPS: Making Gradual Rollouts Mandatory, Not Optional
Dada Group Technology
Dada Group Technology
Dec 8, 2017 · Backend Development

Key Considerations for Large‑Scale System Refactoring: Lessons from Dada JD.com’s Double‑11 Experience

The article shares practical insights on planning, designing, developing, testing, and rolling out a large‑scale backend system refactor, emphasizing resource limits, pain points of legacy code, unit‑test protection, layering, decoupling, monitoring, and staged deployment to ensure stability during high‑traffic events.

Performance Monitoringbackend architecturedecoupling
0 likes · 9 min read
Key Considerations for Large‑Scale System Refactoring: Lessons from Dada JD.com’s Double‑11 Experience