BestHub
Sign in
Architect Chen
Author

Architect Chen

Sharing over a decade of architecture experience from Baidu, Alibaba, and Tencent.

103
Articles
0
Likes
275
Views
0
Comments
Recent Articles

Latest from Architect Chen

100 recent articles max
Architect Chen
Architect Chen
Apr 26, 2026 · Backend Development

What Is Nginx’s Maximum Concurrent Connections? A Complete Guide

The article explains that Nginx’s maximum concurrent connections are not a fixed number but are calculated from the worker_processes and worker_connections settings and are ultimately limited by the operating system’s file‑descriptor (ulimit) limits, providing formulas, an example configuration, and commands to verify the limits.

Server Configurationconcurrencynginx
0 likes · 3 min read
What Is Nginx’s Maximum Concurrent Connections? A Complete Guide
Architect Chen
Architect Chen
Apr 23, 2026 · Databases

The Most Complete Redis Configuration Guide with Illustrated Examples

This article provides a thorough walkthrough of Redis configuration, covering the location of the redis.conf file, how to list all settings with CONFIG GET *, modify parameters via CONFIG SET, and detailed explanations of common options such as bind address, port, timeout, log level, database count, daemonization, log file, client limits, memory limits, persistence settings, replication, and password protection, each illustrated with concrete command examples.

CONFIGPerformanceRedis
0 likes · 6 min read
The Most Complete Redis Configuration Guide with Illustrated Examples
Architect Chen
Architect Chen
Apr 23, 2026 · Databases

How Redis Handles 1 Million Concurrent Connections: 4 Key Techniques

Redis achieves million‑level concurrency by keeping all data in RAM, using epoll/kqueue for non‑blocking I/O, employing highly optimized data structures with O(1) or O(log N) operations, and evolving from a single‑threaded core to optional multi‑threaded I/O, boosting throughput up to 12×.

Data StructuresI/O MultiplexingIn-Memory
0 likes · 4 min read
How Redis Handles 1 Million Concurrent Connections: 4 Key Techniques
Architect Chen
Architect Chen
Apr 22, 2026 · Cloud Native

Understanding Spring Cloud Gateway: Architecture, Core Concepts, and Configuration

This article provides a detailed technical overview of Spring Cloud Gateway, covering its role as a second‑generation API gateway built on Spring 5, WebFlux, and Reactor, its core responsibilities, architectural placement, key concepts like routes, predicates and filters, the request processing flow, and a concrete YAML configuration example.

FiltersMicroservicesRouting
0 likes · 5 min read
Understanding Spring Cloud Gateway: Architecture, Core Concepts, and Configuration
Architect Chen
Architect Chen
Apr 16, 2026 · Operations

L4 vs L7 Load Balancing at Million‑Concurrency: Which Is More Stable?

The article compares Layer‑4 and Layer‑7 load‑balancing solutions for million‑concurrency scenarios, outlining their use cases, advantages, typical tools, performance characteristics, and why large enterprises often combine both to achieve high stability and flexible traffic control.

Backend ArchitectureL4L7
0 likes · 3 min read
L4 vs L7 Load Balancing at Million‑Concurrency: Which Is More Stable?
Architect Chen
Architect Chen
Apr 16, 2026 · Big Data

Supercharge Kafka Consumer Performance: Parallelism, Batching, and Multithreading

This guide explains practical techniques to dramatically increase Kafka consumer throughput, including scaling consumer instances or partitions, tuning fetch and poll parameters, and implementing a multithreaded consumer model, while also covering hardware, JVM, and OS optimizations and monitoring recommendations.

Batch FetchConsumer ParallelismKafka
0 likes · 5 min read
Supercharge Kafka Consumer Performance: Parallelism, Batching, and Multithreading