Over ten years of BAT architecture experience, shared generously!
This guide explains how to boost Redis query per second (QPS) from 50,000 to 500,000 by applying horizontal sharding, read‑write separation with master‑slave replication, memory and data‑structure optimizations, and network‑level tuning, while providing concrete examples and configuration tips.
This guide explains why static‑dynamic separation is essential for high‑traffic sites, describes the typical Nginx architecture, and provides a complete configuration example that routes static assets directly while proxying dynamic requests to backend servers with load‑balancing and caching.
This guide presents a comprehensive collection of MySQL commands covering database management, table creation and alteration, CRUD operations, index handling, transaction control, and essential administration queries, providing clear examples for each task.
This guide presents a comprehensive collection of essential MySQL commands, covering connection management, database creation and selection, table definition and alteration, CRUD operations, query optimization techniques, performance monitoring, and user permission handling, providing clear examples for each command.
This guide explains how to use Nginx and OpenResty Lua scripts to implement rate limiting and circuit‑breaking for high‑concurrency services, detecting error rates and response latency, automatically opening and closing a 30‑second break window, and returning custom JSON responses when downstream services fail.
This guide explains how to dramatically increase Kafka producer throughput by using batch sending, selecting appropriate compression algorithms, fine‑tuning producer configurations, employing asynchronous and concurrent sends, and optimizing client placement and network settings.
To prevent single‑point failures of Nginx at the traffic entry, this guide explains why high availability is essential, outlines typical risks, and details a production‑grade Active‑Passive solution using Keepalived and VRRP to automatically fail over a virtual IP within seconds.
This article explains how Spring Cloud Gateway leverages asynchronous non‑blocking I/O, horizontal scaling, Redis‑based rate limiting, and circuit‑breaker patterns to sustain massive QPS, reduce latency, and improve system resilience in microservice architectures.
This article explains the purpose, behavior, return values, and exception handling of Java's Class.forName and ClassLoader APIs, compares their initialization and flexibility characteristics, and provides practical code examples and typical use cases for each approach.
This article explains Java's static nested classes, covering their definition, key characteristics, sample code for an e‑commerce order model, and common scenarios such as helper utilities, callbacks, singletons, and data‑structure encapsulation.
