Archive 2025
82 articles
Go's Concurrency and Parallelism Model and Goroutine Scheduling
Understand Go concurrency vs. parallelism. Covers goroutine scheduling, GOMAXPROCS, the GMP model, OS threads vs. goroutines, and how preemption works with sequence diagram examples.
Considerations and Solutions for Pagination Impact in OPA
Master pagination with Open Policy Agent, offset pagination, cursor pagination, and access control filtering.
PostgreSQL Memory Configuration
Guidelines for optimizing PostgreSQL memory settings for performance and stability.
Understanding IO and CPU Characteristics in Ruby and Rails
Understand Ruby GVL, Puma concurrency, IO-bound vs CPU-bound workloads, thread/process tuning, and GC impact on Rails performance.
Considering the Shelf Life of Design
Consider design shelf life across business, organization, product, and technical perspectives. Balance constraints and trade-offs.
Measuring Scalability
Measure system scalability using throughput, latency, efficiency metrics, mathematical models like Amdahl's Law, and practical benchmarking.
Cloud-Native Architecture: Mastering Availability and Cost-Effectiveness in Next-Gen Design Principles
Learn about the fundamentals of cloud-native thinking.
Developed an Asset Trend Simulator
Introducing a tool for personal asset formation, the Asset Trend Simulator.
Things to Consider When Writing Architecture Documents
Guidelines for creating effective architecture documents in system design.
Summary of PostgreSQL Logical Replication Specifications
Learn PostgreSQL logical replication: how it differs from physical replication, publisher/subscriber setup with Docker, wal_level configuration, replication slots, and CREATE SUBSCRIPTION.
About Row Level Security (RLS) in PostgreSQL
Master PostgreSQL Row Level Security with PERMISSIVE and RESTRICTIVE policies for multi-tenant data isolation and access control.
Bounded Contexts
Understand bounded contexts in domain-driven design to clarify word meanings, organize responsibilities, and improve system design.
Structure of My System Specification Document
Learn to structure system specification documents with sections for architecture, data models, APIs, and sequence diagrams for design clarity.
What is Open Policy Agent (OPA)? A Practical Guide to Policy as Code
Learn what Open Policy Agent (OPA) is, how policy as code works, and practical examples of using OPA to centralize authorization logic in your infrastructure.
Communication Guide for Developers and Architects: Learning Information Transmission through Patterns
A book discussing communication through visual information, text, language, non-verbal cues, and documentation.
Building Multi-Tenant SaaS Architecture - Principles, Best Practices, AWS Architecture Patterns
Design multitenant SaaS architecture patterns: control plane, application plane, tenant routing, and data partitioning strategies.
Implementation of Access Control System for Microservices Using OPA
Implement fine-grained access control for distributed microservices using Open Policy Agent and declarative Rego policy language.
Optimal Architecture Strategy for Requirements
Optimal Architecture Strategy for Requirements
A Practical Guide to Backup: From Basic Concepts to Tool Utilization, Differential Management, Generation Management, Data Preservation, Restore, Recovery, and Ensuring Availability
A Practical Guide to Backup: From Basic Concepts to Tool Utilization, Differential Management, Generation Management, Data Preservation, Restore, Recovery, and Ensuring Availability
Troubleshooting 'configure' Errors During PostgreSQL Installation
Fix the You need to run the configure program first error when compiling PostgreSQL from source. Covers ./configure options, re-running make, and common dependency issues on Ubuntu/CentOS.