All Posts - zqw's notes

All Posts

2025

Dive into K8s 02: Cilium Replaces Flannel — Goodbye VXLAN Tax, Hello eBPF Native Networking 12-10

Dive into K8s: Hand-Rolling CNI with Kind, From CrashLoop to VXLAN Packet Capture 12-07

Temporal vs K8s Controller: Declarative vs Imperative Control Plane Paradigms 07-15

Temporal in Practice: From Saga Pattern to Self-Healing Distributed Transactions 07-10

Go Lock Performance Traps: From sync.Mutex to Spinlock Tuning 04-02

2023

Custom Linux Distro: From Yocto Build to 60% Boot Time Optimization 06-15

Go Daemon Development: Graceful SIGTERM Handling and Config Hot-Reload 03-10

2022

NAS Disk Health Monitoring: From smartctl to Custom Agent 08-15

Production-Grade String Parsing: From atoi to State Machine 04-14

Go Generics in Practice: Pitfalls and Best Practices 03-16

HTTP/3 Benchmarks: QUIC Performance on Lossy Networks with Packet Analysis 01-01

2021

HTTPS Handshake Optimization: Cutting Latency from 200ms to 50ms 12-26

Go Singleflight Deep Dive: Preventing Cache Stampede with One Line of Code 12-21

Compiling Nginx from Source: Understanding Module Architecture and Custom Extensions 12-06

Postmortem: Debugging a Zookeeper Split-Brain in Production 10-14

Go Microservices War Stories: 5 Lessons from Dependency Management to Service Discovery 09-22

Building a Mini Filesystem: Custom FS with FUSE + Go 08-10

Redis Eviction Deep Dive: LRU vs LFU vs TTL Engineering Trade-offs 07-03

Linux Boot Process: Complete Guide from Power Button to Login 05-20

Hugo Blog CI/CD: GitHub Actions Auto-Build and Multi-Environment Deployment 03-21

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