Articles
Deep dives on .NET, React, cloud and everything in between.
Amazon VPC Explained: Subnets, Routing, NAT Gateway, Security & Real-World Architecture
Learn Amazon VPC from the basics to real-world AWS architecture. Understand VPC, CIDR, subnets, Availability Zones, route tables, Internet Gateway, NAT Gateway, Security Groups, Network ACLs, VPC endpoints, VPC peering, and multi-AZ networking. Includes practical hands-on labs for building public and private subnets, NAT connectivity, and ALB with private EC2. AWS Documentation
07 Oct 2026 · 34 views
Redis Failure Under Extreme Traffic: How to Prevent a Database Crash When 1 Million Requests Hit at Once
Learn how to design a resilient caching architecture when Redis suddenly goes down and millions of requests fall back to the database. Explore cache stampede, thundering herd, circuit breakers, rate limiting, request coalescing, cache warming, graceful degradation, Redis high availability, TTL strategies, and protecting the database from sudden traffic spikes.
07 Oct 2026 · 36 views
Production Database Disaster: How to Recover 10 Million Deleted Rows Without a WHERE Clause
A real-world database disaster scenario: 10 million rows were accidentally deleted in production because a DELETE query was executed without a WHERE clause. Learn how to respond, stop further damage, identify the recovery point, restore data using backups and transaction logs, perform point-in-time recovery, validate the recovered data, and design safeguards to prevent such incidents in the future.
07 Oct 2026 · 34 views
Designing a High-Scale Railway Ticket Booking System: Handling 2 Million Users for 500 Seats
Learn how to design a highly scalable railway ticket booking system that can handle 2 million users competing for just 500 seats. Explore traffic spikes, virtual queues, rate limiting, seat inventory management, distributed locking, Redis, database consistency, reservation timeouts, payment processing, idempotency, fault tolerance, and strategies to prevent double booking.
07 Oct 2026 · 24 views
Amazon SNS with C#: Complete Guide to Topics, Publishers, Subscribers, Fan-Out & .NET Integration
Learn Amazon SNS with C# from the basics to real-world event-driven architecture. Understand SNS topics, publishers, subscribers, message publishing, subscriptions, filtering, fan-out architecture, SQS integration, Lambda integration, email and HTTP notifications, retries, security, and a practical hands-on lab using the AWS SDK for .NET.
07 Oct 2026 · 17 views
Amazon SQS with C#: Complete Guide to Queues, Messages, FIFO, DLQ & .NET Integration
Learn Amazon SQS with C# from the basics to real-world .NET applications. Understand queues, producers, consumers, message sending and receiving, visibility timeout, retries, dead-letter queues, Standard vs FIFO queues, long polling, message deletion, Lambda integration, and a practical hands-on lab using the AWS SDK for .NET.
07 Oct 2026 · 14 views
Amazon ElastiCache with Redis Explained: Caching, Performance, Scaling & Real-World Architecture
Learn Amazon ElastiCache with Redis from the basics to real-world architecture. Understand caching, cache-aside patterns, Redis data types, TTL, cache invalidation, eviction, clusters, replication, high availability, security, monitoring, and how to integrate Redis with ASP.NET Core applications through a practical hands-on lab.
07 Oct 2026 · 16 views
Amazon RDS Explained: Managed Database, Multi-AZ, Read Replicas, Backups & Real-World Architecture
Learn Amazon RDS from the basics to real-world architecture. Understand managed relational databases, DB instances, engines, storage, security groups, Multi-AZ deployment, read replicas, automated backups, snapshots, encryption, monitoring, failover, scaling, and connecting RDS with ASP.NET Core applications through a practical hands-on lab.
07 Oct 2026 · 12 views
AWS Lambda Explained: Serverless Compute, Functions, Triggers & Real-World Architecture
Learn AWS Lambda from the basics to real-world serverless architecture. Understand Lambda functions, triggers, event sources, execution roles, environment variables, layers, timeout, memory, concurrency, cold starts, API Gateway integration, S3 events, SQS processing, CloudWatch monitoring, error handling, and a practical hands-on Lambda lab using C# and JavaScript.
07 Oct 2026 · 16 views