Ray's Galactic Tech
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Ray's Galactic Tech

Practice together, never alone. We cover programming languages, development tools, learning methods, and pitfall notes. We simplify complex topics, guiding you from beginner to advanced. Weekly practical content—let's grow together!

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Recent Articles

Latest from Ray's Galactic Tech

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Ray's Galactic Tech
Ray's Galactic Tech
Jan 31, 2026 · Databases

Master Elasticsearch Performance: Practical Production‑Level Optimization Guide

This guide presents a production‑grade, step‑by‑step approach to boost Elasticsearch performance, covering advanced index design, mapping best practices, query and aggregation tuning, JVM and cluster settings, bulk write optimization, monitoring, and real‑world log‑system scenarios with concrete code examples and configuration snippets.

JVMMonitoringOptimization
0 likes · 9 min read
Master Elasticsearch Performance: Practical Production‑Level Optimization Guide
Ray's Galactic Tech
Ray's Galactic Tech
Jan 30, 2026 · Cloud Native

Scale a Monolithic Article Interaction Service with Kubernetes Microservices

This article walks through converting a single‑service article interaction module—handling likes, favorites, and reads—into independent microservices deployed on Kubernetes, detailing architecture goals, service separation, Redis‑based high‑concurrency handling, Kafka async persistence, deployment configurations, auto‑scaling, and real‑world performance results.

KafkaRedis
0 likes · 8 min read
Scale a Monolithic Article Interaction Service with Kubernetes Microservices
Ray's Galactic Tech
Ray's Galactic Tech
Jan 29, 2026 · Cloud Native

Build a Production-Ready Go Microservice with Nacos and Kubernetes

This guide walks through designing a full‑stack Go microservice architecture that integrates Nacos for service discovery and dynamic configuration, adds rate‑limiting, circuit‑breaking, and load‑balancing, and deploys the whole system on Kubernetes with graceful shutdown and real‑time governance.

Config CenterNacosservice discovery
0 likes · 7 min read
Build a Production-Ready Go Microservice with Nacos and Kubernetes
Ray's Galactic Tech
Ray's Galactic Tech
Jan 27, 2026 · Backend Development

Resilient Go Microservices: Rate Limiting, Circuit Breaking & K8s Architecture

This guide walks you through implementing a complete stability engineering system for Go microservices—covering token‑bucket rate limiting, concurrency and Redis‑based throttling, circuit breakers with slow‑request detection, graceful degradation strategies, Kubernetes‑aware deployment, monitoring, dynamic configuration, and load‑testing to set safe thresholds.

Resiliencecircuit breakerrate limiting
0 likes · 10 min read
Resilient Go Microservices: Rate Limiting, Circuit Breaking & K8s Architecture
Ray's Galactic Tech
Ray's Galactic Tech
Jan 26, 2026 · Cloud Native

Zero‑Downtime Kubernetes Node Maintenance: Complete SOP for Adding and Removing Nodes

This guide presents a step‑by‑step SOP for safely decommissioning and provisioning Kubernetes nodes in production, covering lifecycle labeling, RBAC safeguards, draining procedures, validation checks, handling StatefulSets and local storage, automation tips, and real‑world incident examples to ensure zero downtime and data loss.

Node MaintenanceProduction OpsRBAC
0 likes · 10 min read
Zero‑Downtime Kubernetes Node Maintenance: Complete SOP for Adding and Removing Nodes