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Model Perspective
Model Perspective
Apr 18, 2025 · Fundamentals

What Is a “System Wind Rose” and How It Redefines Complex System Analysis

The article introduces the “System Wind Rose” – a visual model that places a central object at the core and maps multi‑directional influences with varying strengths, probabilities, and dynamics, offering a strategic lens for risk identification, structural balance, and decision‑making across diverse scenarios.

risk assessmentstrategic modelingsystem analysis
0 likes · 8 min read
What Is a “System Wind Rose” and How It Redefines Complex System Analysis
Top Architect
Top Architect
Aug 31, 2023 · Fundamentals

Understanding Data Flow Diagrams (DFD) with an Airline Ticket Booking Example

This article explains the concept, components, and basic symbols of Data Flow Diagrams (DFD) and demonstrates their practical application through a step‑by‑step airline ticket booking case study, while also including promotional information for a related community.

Data Flow Diagramfundamentalssystem analysis
0 likes · 7 min read
Understanding Data Flow Diagrams (DFD) with an Airline Ticket Booking Example
Architects Research Society
Architects Research Society
Apr 10, 2023 · Fundamentals

Introduction to Software Requirements Engineering – Part 1

This article introduces software requirements engineering, covering its iterative process, the distinction between user and system requirements, functional versus non‑functional requirements, and the role of feasibility studies in guiding successful system development.

Non-functional RequirementsSoftware Engineeringfeasibility study
0 likes · 8 min read
Introduction to Software Requirements Engineering – Part 1
IT Architects Alliance
IT Architects Alliance
Mar 5, 2022 · Operations

System Performance Issue Analysis Process and Optimization Practices

This article outlines a comprehensive process for diagnosing and optimizing business system performance problems, covering analysis workflows, influencing factors such as hardware, software, database and middleware, JVM tuning, code inefficiencies, and the use of monitoring and APM tools to improve system reliability.

APMjvm-tuningperformance
0 likes · 16 min read
System Performance Issue Analysis Process and Optimization Practices
Open Source Linux
Open Source Linux
Jan 23, 2022 · Operations

Mastering IT Trouble‑Shooting: Proven Strategies to Diagnose and Resolve Complex System Failures

This article shares practical methods and real‑world case studies for IT professionals to analyze, locate, and fix system runtime issues, service timeouts, file‑handle leaks, JVM memory overflows, and performance bottlenecks, emphasizing hypothesis testing, boundary narrowing, and systematic post‑mortems.

IT OperationsJVM MemoryPerformance debugging
0 likes · 31 min read
Mastering IT Trouble‑Shooting: Proven Strategies to Diagnose and Resolve Complex System Failures
Meituan Technology Team
Meituan Technology Team
Mar 8, 2018 · Mobile Development

App Battery Consumption Analysis and Optimization in Short Video Features

The article examines why short‑video list pages drain far more battery than detail pages, explains Android power‑profile calculations and testing with Battery Historian, and demonstrates code‑level fixes—replacing heavy layout animations with ValueAnimator—to dramatically reduce CPU‑intensive rendering and improve app battery efficiency.

Code OptimizationMobile Developmentandroid testing
0 likes · 10 min read
App Battery Consumption Analysis and Optimization in Short Video Features