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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3517 posts
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systemd Service Management, Unit File Configuration, and Troubleshooting
A practical guide to systemd service management, unit file configuration, and troubleshooting techniques for Linux system administrators.
2026-03-14 · 18 min read #systemd#linux#service-management#troubleshooting#devopsThe Complete Guide to LLM Inference Optimization: vLLM, TensorRT-LLM, Speculative Decoding
A comparative analysis of key technologies for maximizing LLM inference performance — vLLM, TensorRT-LLM, Speculative Decoding, and KV Cache optimization — with practical code examples and benchmarks.
2026-03-14 · 19 min read #llm#inference-optimization#vllm#tensorrt-llm#speculative-decodingLLM Quantization Practical Guide: GPTQ, AWQ, GGUF Format Comparison and Precision-Performance Trade-offs
A practical guide to LLM quantization covering GPTQ, AWQ, and GGUF format comparison with precision-performance trade-off analysis.
2026-03-14 · 21 min read #llm#quantization#gptq#awq#ggufJapanese OUTPUT Drill — Real Estate/Moving/Daily Life (2026-03-14)
Japanese OUTPUT drill for real estate and moving situations
2026-03-14 · 4 min read #japanese#output#moving#daily-lifeApache Iceberg Data Lakehouse Table Format Guide
A comprehensive guide to Apache Iceberg table format for data lakehouse architecture, covering schema evolution, partitioning, time travel, and query optimization.
2026-03-14 · 27 min read #apache-iceberg#data-lakehouse#big-data#hadoop#sparkComplete Japanese Technical Interview Preparation: From Self-Introduction to Technical Q&A
Complete preparation guide for Japanese technical interviews from self-introduction to technical Q&A.
2026-03-14 · 51 min read #japanese#technical-interview#business-japanese#keigoMorning English Study — Disagreeing Professionally in Meetings
5 practical English expressions for professionally disagreeing in meetings + fill-in-the-blank/speaking/translation/listening challenges
2026-03-14 · 3 min read #english#business-english#meetings#communication#morning-studyWebAssembly Component Model: The Journey to Making Wasm a First-Class Web Citizen
Analyzes how the WebAssembly Component Model proposed by Mozilla makes Wasm a first-class citizen of the web platform, covering practical implications and migration strategies.
2026-03-14 · 16 min read #webassembly#component-model#mozilla#web-platform#devopsGitHub Actions Advanced CI/CD: Matrix Builds, Cache Strategies, and Security Hardening
Covers production-level CI/CD pipeline construction including GitHub Actions matrix build optimization, cache strategies, self-hosted runner configuration, reusable workflows, and security hardening.
2026-03-14 · 18 min read #github-actions#ci-cd#devops#automation#securitySystem Design Interview English Expressions: From Architecture Explanation to Trade-off Discussion
Master English expressions for system design interviews covering architecture explanation and trade-off discussions.
2026-03-14 · 29 min read #english#system-design#interview#technical-englishPython PyPI Supply Chain Attack Defense Strategy: From Typosquatting to Multi-layered Security
Analyzes the types of Python PyPI supply chain attacks that surged in 2025-2026, presenting multi-layered defense strategies against typosquatting, dependency confusion, and malicious build scripts with practical code ex
2026-03-14 · 16 min read #python#pypi#supply-chain#devops#securityManaging Developer Cognitive Load and Team Topologies: A Practical Guide to DevEx Innovation
A practical guide to systematically measuring and improving Developer Experience (DevEx) by combining Cognitive Load Theory, the SPACE framework, and Team Topologies patterns.
2026-03-14 · 12 min read #devops#developer-experience#cognitive-load#team-topology#devexRedis Cluster High Availability and Failover Guide
A practical guide to Redis Cluster high availability architecture, failover mechanisms, and production operations.
2026-03-14 · 20 min read #redis#database#high-availability#cluster#sentinelPostgreSQL Query Optimization and Performance Tuning Practical Guide: From EXPLAIN to Partitioning
A systematic guide to practical performance optimization techniques for PostgreSQL including EXPLAIN analysis, index strategies, VACUUM tuning, partitioning, and connection pooling.
2026-03-14 · 19 min read #database#postgresql#query-optimization#performance#indexingOpenTofu vs Terraform 2026 Complete Comparison: IaC Tool Selection and Migration Strategy
Compares the latest 2026 features, license differences, state encryption, and provider compatibility between OpenTofu and Terraform. Provides practical migration strategies and team adoption guides.
2026-03-14 · 18 min read #devops#opentofu#terraform#iac#2026-03AI Code Review and Quality Management Strategy: AI-Assisted Development Guidelines from the Amazon Case
Explores code quality management strategies in AI-assisted development environments, centered on the Amazon AI code review policy case. Covers review automation pipelines and senior engineer approval processes from a pra
2026-03-14 · 21 min read #devops#ai-code-review#code-quality#amazon#developer-productivityTechnical Debt and Stakeholder Communication Strategy
A guide to effectively communicating technical debt to stakeholders, covering visualization, prioritization frameworks, and ROI-based justification.
2026-03-14 · 42 min read #technical-debt#communication#stakeholder-management#soft-skills#culturePragmatism and Engineering Decision Framework
A framework for pragmatic engineering decision-making, covering trade-off analysis, decision records, and practical approaches to technical choices.
2026-03-14 · 43 min read #pragmatism#decision-making#philosophy#engineering-culture#cultureStoic Philosophy and Engineering Decision Making: Better Decisions Through the Dichotomy of Control, Premortem, and Negative Visualization
A practical guide to applying Stoic philosophy to engineering decisions. Learn how to use the Dichotomy of Control from Epictetus, Marcus Aurelius journaling for retrospectives, and Seneca time management for technical d
2026-03-14 · 5 min read #culture#philosophy#stoicism#decision-making#mental-modelEffective Code Review Culture and Best Practices
A guide to building an effective code review culture with best practices for constructive feedback, review workflows, and team collaboration.
2026-03-14 · 32 min read #code-review#engineering-culture#collaboration#soft-skills#culture