This guide explains how to replace traditional bastion hosts with AWS Systems Manager Session Manager and CloudWatch Agent, detailing IAM role setup, session logging, and log collection to achieve key‑less, port‑free access, fine‑grained permissions, and centralized, tamper‑proof audit logs for EC2 instances.
This article details a complete end‑to‑end high‑concurrency tuning process for a Java SSM monolithic e‑commerce system, covering problem identification, root‑cause analysis, a series of JVM, Tomcat, Redis and JDBC optimizations, horizontal scaling, code refactoring, and the resulting stability improvements.
This tutorial walks through the complete process of configuring a sandbox Alipay environment, setting up keys and URLs, defining the required database schema, and integrating Alipay payment flow into an SSM‑based Java backend with detailed code examples and troubleshooting tips.
This tutorial walks through the complete process of configuring a sandbox Alipay environment, setting up keys and URLs, defining the database schema, implementing DAO and service layers, and integrating Alipay payment flow into a Java SSM project with detailed code examples and screenshots.
This article presents a practical, step‑by‑step walkthrough of identifying, diagnosing, and resolving high‑concurrency performance problems in a Java‑based SSM e‑commerce application, covering monitoring, root‑cause analysis, JVM/Tomcat/Redis/JDBC tuning, code improvements, and the resulting system stability.
This article details a step‑by‑step performance tuning process for an SSM‑based e‑commerce system experiencing severe CPU, memory, Redis, and JDBC issues during flash‑sale spikes, covering root‑cause analysis, JVM and Tomcat optimizations, connection‑pool adjustments, code refactoring, and the resulting stability improvements.
This article presents a comprehensive, practical case study of diagnosing and resolving high‑concurrency performance issues in an SSM‑based e‑commerce system, covering architecture overview, problem identification, root‑cause analysis, JVM/Tomcat/Redis/MySQL tuning, load‑balancing, and post‑optimization monitoring results.
This article presents a complete case study of diagnosing and optimizing a high‑traffic flash‑sale module in a Java SSM monolithic e‑commerce system, covering problem identification, root‑cause analysis, JVM/Tomcat/Redis/JDBC tuning, code refactoring, and the resulting stability improvements.
This tutorial provides a step‑by‑step guide on configuring the Alipay sandbox, generating keys, setting up notification URLs, creating the required database tables, and integrating the full payment flow—including DAO, service, controller, and JSP code—into a Java SSM backend project.
This tutorial provides a step‑by‑step guide for configuring the Alipay sandbox, generating keys, setting up the required database tables, and integrating Alipay payment APIs into a Java SSM project, complete with code snippets, configuration details, and troubleshooting tips.
This article explains the SSM framework, detailing how Spring MVC, Spring, and MyBatis are integrated into a standard MVC architecture, describing their roles, underlying principles, and step‑by‑step guidance for building a functional feature with entities, mappers, services, controllers, and JSP views.
This tutorial walks through creating a Maven project in IntelliJ IDEA, configuring Maven settings, adding required dependencies, setting up Spring, MyBatis, FreeMarker, Log4j, and web.xml, and integrating Spring MVC to build a complete SSM framework application.
This article explains how to design concise Redis keys that enable multi‑condition and fuzzy queries by using a structured naming convention, demonstrates the implementation within a Java SSM project, and provides code snippets for key assembly, querying, and deletion.
