E-Whisper

Rook-Ceph v1.20.0 CSI ServiceAccount Naming Mismatch Bug and Fix

After upgrading rook-ceph from v1.19.6 to v1.20.0, Ceph mon data was upgraded to Tentacle ondisk format (v20) and cannot be downgraded back to v19.x. Additionally, the v1.20.0 CSI operator has a Servi

2026-06-03

CloudNative

#GitOps #Argo CD #Kubernetes #rook-ceph #csi

🤔 GitOps Has Been Hyped for Years — Why Have Only 40% Actually Adopted It?

Despite the GitOps hype, only about 40% of organizations have truly implemented declarative desired-state management. Drawing from real-world lessons learned, this article analyzes the causes of the G

2026-06-02

CloudNative

#GitOps #Argo CD #Kubernetes #Flux #CI/CD #Declarative Configuration

A Former Tencent Cloud Employee Speaks 'Fairly' for Tencent Cloud: The Polarization Between 7-Cent Debt Collection and Product Collapse

A former Tencent Cloud employee dissects the two faces of Tencent Cloud from an insider's perspective — the meticulous service attitude of collecting 7-cent debts stands in stark contrast to frequent

2026-05-23

Cloud Computing

#Tencent Cloud #Cloud Services #SDK #Data Loss #Technical Stability #Product Strategy

From a Startled Bird to a Spotted Dove: Urban Survival Rules for Middle-Aged People 🕊️

Observing spotted doves in the city reveals their survival wisdom: desensitization, low-energy strategies, strong adaptability, and continuous output — strikingly similar to urban survival rules for m

2026-05-19

Other

#Life Reflections #Philosophy of Mind #Adaptability #Urban Survival #Midlife Anxiety

Midnight Alert Investigation: The Truth Behind 100% AWS EBS Disk IO Utilization

This article documents the investigation of an application performance issue, from normal conventional metrics to discovering 100% disk IO utilization, revealing the throughput limitation of gp3 volum

2026-05-18

Cloud Computing

#AWS #Grafana #Prometheus #Performance Troubleshooting #Disk IO #ECS #Troubleshooting Diary

In the AI Era, Why Leisure Matters More Than Busyness

In the AI era, automation tools paradoxically make us busier. Starting from Paul Lafargue's The Right to Be Lazy, this article explores the contradiction between technological progress and leisure, an

2026-05-17

Thoughts

#AI #DevOps #GitOps #Helm #Automation #Work-Life Balance

Observability Is Not an Island: Team Collaboration and Cultural Transformation

The essence of observability is not 'having a team that can do monitoring,' but 'every team being able to understand the health of their own services.' This article draws on SpotOn's real-world case s

2026-05-16

Observability

#Observability #Grafana #SRE #SLO #Team Collaboration #Platform Engineering

Failure Isn't Shameful, Hiding It Is: Lessons from Cloudflare's Crisis Communication

This article distills three pillars from Cloudflare's detailed official blog report — transparent communication, rapid response, and continuous improvement — and explores how to apply these principles

2026-05-13

Cloud Computing

#Cloudflare #Crisis Communication #Transparency #Trust

When AI Becomes a Dependency: The Hidden Costs of Cognitive Debt and Skill Atrophy

This article explores the cognitive debt and skill atrophy problems arising from AI-assisted development, analyzes the pitfalls of agentic coding, and offers practical advice on how to avoid being hol

2026-05-12

#AI #Cognitive Debt #Skill Atrophy #Agentic Coding #Development Efficiency #Technical Debt

AWS Reliability Best Practices: From Architecture Design to Disaster Recovery End-to-End

From architecture design to disaster recovery, this article details the five core principles of the AWS Well-Architected Framework's Reliability Pillar — automatic recovery, horizontal scaling, redund

2026-05-11

Cloud Computing

#AWS #Well-Architected #Reliability #High Availability #Disaster Recovery