BestHub
Sign in
Mike Chen Rui
Author

Mike Chen Rui

Over 10 years as a senior tech expert at top-tier companies, seasoned interview officer, currently at leading firms like Alibaba.

21
Articles
0
Likes
39
Views
0
Comments
Recent Articles

Latest from Mike Chen Rui

21 recent articles
Mike Chen Rui
Mike Chen Rui
Aug 21, 2026 · Databases

Mastering MySQL Sharding: Principles, Architecture, and Real‑World Implementation

The article explains why high‑traffic MySQL deployments hit performance limits, introduces the concepts of vertical and horizontal sharding, and provides a step‑by‑step guide—including necessity assessment, shard key selection, schema design, middleware integration, and data migration—using an e‑commerce order system as a concrete example.

Data MigrationDatabase ScalingHorizontal Sharding
0 likes · 5 min read
Mastering MySQL Sharding: Principles, Architecture, and Real‑World Implementation
Mike Chen Rui
Mike Chen Rui
Aug 20, 2026 · Databases

Complete MySQL Master‑Slave Replication: Principles, Architecture, and Setup

MySQL master‑slave replication separates writes to the master and reads to one or more replicas, using binary logs to record changes; the article explains its core concepts, typical scenarios like read‑write splitting and high‑availability, and provides a step‑by‑step configuration guide covering server IDs, binlog settings, replication accounts, data initialization, GTID options, and status verification.

Binary LogDatabase ArchitectureGTID
0 likes · 5 min read
Complete MySQL Master‑Slave Replication: Principles, Architecture, and Setup
Mike Chen Rui
Mike Chen Rui
Aug 19, 2026 · Backend Development

What TPS Levels Define a High‑Performance E‑Commerce Flash Sale?

The article explains how flash‑sale systems differ from regular e‑commerce, outlines characteristic traffic spikes, and defines TPS ranges—100‑1,000, 1,000‑5,000, 5,000‑10,000, and 10,000‑50,000—that indicate low, medium, mature, and ultra‑high concurrency, while noting the architectural techniques needed to sustain tens of thousands of requests.

E-commerceMessage QueueRedis
0 likes · 4 min read
What TPS Levels Define a High‑Performance E‑Commerce Flash Sale?
Mike Chen Rui
Mike Chen Rui
Aug 18, 2026 · Operations

Comprehensive Guide to Nginx Concurrency Testing Tools

This article reviews four Nginx concurrency testing tools—Apache Bench, wrk, JMeter, and Gatling—providing command examples, key parameters, and usage scenarios, and compares their suitability for simple verification, high‑load testing, complex business flows, and code‑driven performance automation.

GatlingJMeterNginx
0 likes · 3 min read
Comprehensive Guide to Nginx Concurrency Testing Tools
Mike Chen Rui
Mike Chen Rui
Aug 11, 2026 · Artificial Intelligence

Why GPUs Power Today's AI Large Models: A Complete Technical Overview

The article explains how GPUs, originally built for graphics, have become the engine behind AI large models, detailing their advantages in matrix computation, memory bandwidth and interconnect, and reviewing the leading GPUs such as NVIDIA A100, H100, H200, B200, AMD Instinct MI300X and Intel Gaudi 3.

AIAMDGPU
0 likes · 4 min read
Why GPUs Power Today's AI Large Models: A Complete Technical Overview
Mike Chen Rui
Mike Chen Rui
Aug 6, 2026 · Operations

Hands‑on Nginx High‑Concurrency Tuning: Boost Performance Up to 10×

This article walks through practical Nginx high‑concurrency tuning steps—including worker_processes, worker_connections, Linux file‑descriptor limits, and sendfile zero‑copy settings—to dramatically increase throughput and handle tens of thousands of simultaneous connections.

Nginxhigh-concurrencylinux limits
0 likes · 3 min read
Hands‑on Nginx High‑Concurrency Tuning: Boost Performance Up to 10×
Mike Chen Rui
Mike Chen Rui
Aug 5, 2026 · Backend Development

How Can a Gateway Sustain Million‑Level Concurrency in High‑Traffic Scenarios?

The article explains why a gateway is the first traffic entry in microservice systems and how Spring Cloud Gateway achieves million‑level concurrent handling through a reactive model, non‑blocking I/O, event‑driven scheduling, zero‑copy transmission, and built‑in rate‑limiting mechanisms.

Rate LimitingSpring Cloud Gatewayevent-driven
0 likes · 3 min read
How Can a Gateway Sustain Million‑Level Concurrency in High‑Traffic Scenarios?
Mike Chen Rui
Mike Chen Rui
Jul 31, 2026 · Backend Development

Boost Nginx Cache Performance by 10×: Key Techniques Explained

The article explains how Nginx caching can dramatically improve web service performance—up to tenfold—by detailing the cache's core mechanisms, practical configuration parameters, and best‑practice strategies such as cache keys, expiration policies, lock handling, stale fallback, and header management.

BackendCacheConfiguration
0 likes · 5 min read
Boost Nginx Cache Performance by 10×: Key Techniques Explained
Mike Chen Rui
Mike Chen Rui
Jul 30, 2026 · Backend Development

Four Microservice Architecture Design Patterns Explained

The article examines four microservice architecture designs—shared‑database, aggregation, proxy (gateway/BFF), and asynchronous messaging—detailing their structures, advantages, drawbacks, and ideal use cases such as e‑commerce order processing, high‑concurrency systems, and gradual migration scenarios.

AggregationArchitectureDesign Patterns
0 likes · 4 min read
Four Microservice Architecture Design Patterns Explained