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High Scale

2 articles · Page 1 of 1
Cloud Architecture
Cloud Architecture
Jun 26, 2026 · Information Security

OAuth 2.0 at Billion-Scale: Unified Auth Center Architecture & Pitfall Guide

This article details how to design a unified authentication center that can handle billions of OAuth 2.0 requests, covering layered architecture, token issuance and revocation, refresh‑token rotation, gateway validation, key management, and practical pitfalls to ensure secure, high‑performance identity traffic in production.

AuthenticationHigh ScaleOAuth 2.0
0 likes · 46 min read
OAuth 2.0 at Billion-Scale: Unified Auth Center Architecture & Pitfall Guide
Programmer1970
Programmer1970
May 27, 2026 · Backend Development

Ultimate Cache Consistency Solution for Billion‑Scale Traffic: Canal + MQ + Local Cache

At billion‑level request rates, the traditional cache‑aside pattern fails, so the article proposes a three‑layer architecture—Canal captures MySQL binlog, an MQ (RocketMQ/Kafka) buffers changes, and a coordinated local cache service updates L1 caches with short TTL, achieving high performance and eventual consistency.

Cache ConsistencyCanalDistributed Architecture
0 likes · 12 min read
Ultimate Cache Consistency Solution for Billion‑Scale Traffic: Canal + MQ + Local Cache