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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3525 posts
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High-Performance Work Habits Playbook: Focus, Collaboration, and Rhythm Design
A practical playbook for high-performing professionals, covering focus management, collaboration optimization, and weekly rhythm design with immediately actionable tactics.
2026-03-08 · 12 min read #company-life#productivity#habit#english#workDiet Management Habit System for Busy Workers
A sustainable diet management system for time-strapped professionals. Covers meal timing, convenience food strategies, and a weekly meal-prep routine in step-by-step detail.
2026-03-08 · 15 min read #diet#health#habit#nutrition#englishComplete Guide to English Incident Communication: From Outage Reports to Postmortem Writing ♪ Listenable
An English incident communication guide for IT engineers. Covers initial incident reporting, escalation, status page updates, and postmortem writing with practical expressions and templates.
2026-03-08 · 26 min read #english#incident-communication#postmortem#sre#technical-writingDuckDB OLAP Analytics and Data Lake Guide ♪ Listenable
A guide to using DuckDB for OLAP analytics and data lake querying, covering in-process analytics, Parquet integration, and performance optimization.
2026-03-08 · 22 min read #database#duckdb#olap#analytics#data-lakeHadoop Ecosystem Operations Guide: HDFS, YARN, and MapReduce Operational Standards ♪ Listenable
Practical operational standards for running Hadoop clusters: HDFS capacity management, YARN queue design, MapReduce job tuning, monitoring, and troubleshooting.
2026-03-08 · 20 min read #hadoop#hdfs#yarn#mapreduce#databaseHBase Data Modeling Playbook: Hotspot Avoidance and Performance Stabilization ♪ Listenable
A practical playbook for HBase RowKey design patterns, hotspot detection and avoidance, Region distribution optimization, and performance stabilization in large-scale deployments.
2026-03-08 · 26 min read #hbase#nosql#data-modeling#hotspot#databaseCockroachDB Distributed SQL and NewSQL Operations Guide ♪ Listenable
A practical operations guide for CockroachDB distributed SQL database, covering cluster management, performance tuning, and disaster recovery.
2026-03-08 · 22 min read #database#cockroachdb#distributed-sql#newsql#high-availabilitySSL Certificate Operations Playbook: Zero-Downtime Renewal and Expiry Prevention ♪ Listenable
A comprehensive operations playbook covering the entire certificate lifecycle (issuance, deployment, monitoring, renewal, revocation). Covers zero-downtime renewal strategies, Prometheus-based expiry monitoring, incident
2026-03-08 · 21 min read #ssl#certificate#tls#devops#2026-03Pulumi IaC Practical Guide: Cloud Infrastructure Automation with TypeScript ♪ Listenable
A practical guide to Infrastructure as Code with Pulumi and TypeScript. Covers pros and cons vs Terraform, AWS/GCP resource provisioning, stack management, Automation API, and CI/CD integration with code examples.
2026-03-08 · 26 min read #devops#pulumi#iac#typescript#cloudSSL/TLS Certificate Complete Guide: From Issuance to Auto-Renewal and Troubleshooting
A comprehensive practical guide covering SSL/TLS certificate fundamentals, Let's Encrypt automated issuance, Nginx/AWS environment configuration, certificate auto-renewal, and common error resolution.
2026-03-08 · 13 min read #devops#ssl#tls#certificate#securityJapanese Output Drill #2026-03-08 — Friends/Dating/SNS/Drinking Parties
Japanese output training for friends, dating, SNS, and drinking party conversation scenarios.
2026-03-08 · 4 min read #japanese#output#speaking#listening#snsJapanese Observability Telemetry Pipeline Cost Optimization Guide
A practical guide to observability telemetry pipeline cost optimization in Japanese.
2026-03-08 · 8 min read #japanese#observability#cost-optimization#opentelemetry#telemetry-pipelineMBTI Use and Misuse: A Practical Guide to Workplace Communication ♪ Listenable
A practical guide analyzing how to use MBTI correctly at work, common misuse patterns, type-specific communication strategies, and methods for improving team communication.
2026-03-08 · 17 min read #mbti#communication#workplace#psychology#historyHadoop Ecosystem Practical Guide: HDFS, MapReduce, and YARN Core Concepts
A comprehensive guide covering the architecture and internals of Hadoop's core components -- HDFS, MapReduce, and YARN -- along with practical operational know-how from cluster setup to performance tuning and monitoring.
2026-03-08 · 14 min read #hadoop#hdfs#mapreduce#yarn#big-dataFun Psychology Tests for Professionals: From Self-Understanding to Team Building ♪ Listenable
A practical guide introducing 10 validated psychology tests useful for the workplace, covering each test's principles, administration methods, result interpretation, and team building applications.
2026-03-08 · 22 min read #culture#psychology#workplace#team-building#self-developmentUnderstanding Workplace Collaboration Through MBTI: Communication Strategies and Team Building Guide by Type
A practical guide applying the 16 MBTI personality types to the workplace, covering work styles by type, effective communication methods, conflict resolution strategies, and team composition optimization.
2026-03-08 · 15 min read #culture#mbti#workplace#collaboration#communicationDiet Management Guide for Office Workers: Practical Strategies for Eating Healthy in a Busy Life
A comprehensive diet management guide for busy office workers covering nutrition basics, convenience food options, meal prep guides, diet method comparisons, and restaurant menu selection tips.
2026-03-08 · 16 min read #culture#diet#health#nutrition#meal-prepVoice Chatbot Building Guide: STT/TTS Pipeline and Real-Time Voice Interface Implementation ♪ Listenable
Everything about voice chatbot construction. Covers Whisper STT, TTS engine comparison, real-time voice streaming architecture, WebSocket-based bidirectional communication, LLM integration, latency optimization, and prod
2026-03-08 · 43 min read #chatbot#voice#stt#tts#speech-recognitionChatbot Performance Monitoring and Conversation Quality Analysis: From Metric Design to A/B Test Automation ♪ Listenable
A practical guide to chatbot performance monitoring and conversation quality analysis. Covers core metric design, tracing with LangSmith/Langfuse, automated quality evaluation pipelines, and A/B testing framework with co
2026-03-08 · 30 min read #chatbot#monitoring#analytics#ab-testing#langsmithSpring Boot Authentication Practical Guide — Session, JWT, SecurityContext, Cookie-Based Auth Complete Mastery
Master how to implement session and JWT-based authentication in Spring Boot, from SecurityFilterChain and custom filters to SecurityContext and cookie configuration, with practical code examples.
2026-03-08 · 14 min read #architecture#authentication#spring-boot#jwt#cookie