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Long Ge's Treasure Box
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Long Ge's Treasure Box

I'm Long Ge, and this is my treasure chest—packed with cutting‑edge tech insights, career‑advancement tips, and a touch of relaxation you crave. Open it daily for a new surprise.

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Recent Articles

Latest from Long Ge's Treasure Box

13 recent articles
Long Ge's Treasure Box
Long Ge's Treasure Box
Jun 29, 2026 · Fundamentals

Mastering Architecture Design Principles: Layered, Cohesive, and DDD Approaches

This article explains core architecture design principles—including layered, hexagonal, and COLA structures—covers cohesion and coupling types with evaluation criteria, presents practical strategies to reduce coupling, and details domain‑driven design concepts such as bounded contexts, aggregates, and repository patterns, all illustrated with concrete code examples and decision records.

ArchitectureCohesionCoupling
0 likes · 14 min read
Mastering Architecture Design Principles: Layered, Cohesive, and DDD Approaches
Long Ge's Treasure Box
Long Ge's Treasure Box
Jun 26, 2026 · Operations

Designing High‑Availability Systems: Multi‑Active Architectures, Failover, Monitoring, and SLO/SLI

This article explains how to build highly available services by comparing single‑datacenter, same‑city active‑active, two‑city three‑center, and global multi‑active architectures, then details health‑check mechanisms, automatic failover workflows, Prometheus‑Grafana monitoring, and SLO/SLI error‑budget management with concrete code examples.

SLISLOfailover
0 likes · 16 min read
Designing High‑Availability Systems: Multi‑Active Architectures, Failover, Monitoring, and SLO/SLI