Scalability

6 posts
2026

Stateless vs Stateful Applications: What Is the Difference?

A user adds three items to a shopping cart. The next request reaches a different server, and the cart is suddenly empty. Nothing is wrong …
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Message Queues Explained: How Asynchronous Systems Work

A customer clicks Place order. The payment succeeds, but generating the invoice takes 12 seconds and the email provider is having a bad …
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Monolithic Architecture vs Microservices: How to Choose

A team has one application, one database, and one deployment pipeline. Releases are still manageable, but checkout changes keep colliding …
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What Is Load Balancing and How Does It Work?

The promotion begins at noon. By 12:03, the store has three application servers running and customers are still seeing timeouts. Adding …
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Process vs Thread: What Is the Difference?

A web server becomes slow, so someone suggests adding more threads. Another person proposes splitting the work into separate processes. Both …
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What Is Software Architecture? A Beginner's Guide

The first time many developers hear software architecture, they imagine an enormous diagram: dozens of boxes, arrows in every direction, and …
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